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The Call of the Wild is a 2007 documentary by independent filmmaker Ron Lamothe.

Plot

Christopher McCandless, the self-described "aesthetic voyager whose home is the road", died on Alaska’s Stampede Trail in August of 1992. His death followed a two-year cross-country odyssey that took him from Atlanta to Arizona, down into Mexico, and from California’s Salton Sea to the streets of Las Vegas and the small town of Carthage, South Dakota, and countless places in between. In the spring of that year, the 24-year-old McCandless had made his way north to Alaska, where he lived in the woods north of Mt. McKinley for 113 days before his death by starvation.

The Call of the Wild: Into the Wild Debunked

“Rather than love, than money, than fame, give me truth.” —Henry David Thoreau

Filmmaker’s note: In the summer of 1992, while living in an abandoned bus on Alaska’s Stampede Trail, Chris McCandless highlighted the above passage from Walden, and wrote TRUTH at the top of the page. These words held personal meaning for McCandless, but they also represent the kind of moral absolutism he both preached and practiced. Chris is no longer with us, but I can’t help but wonder what he would think about the current state of his biography—Into the Wild—both written and cinematic versions of his life that seem to have turned Thoreau’s dictum on its head.

I do not intend herein to engage in the sort of nitpicking often found in these types of critiques. Whether McCandless took a canoe or kayak down the Colorado River is not that important in the final analysis. Some artistic license is to be expected in a film such as Into the Wild; indeed, it could be argued that such a scene evokes Herzog’s “ecstatic truth,” the kind that transcends the facts involved. Likewise, even the best nonfiction writer will sometimes make harmless and/or unintentional mistakes.

Rather, I feel compelled to discuss a fiction that in my mind does meet the threshold of mattering—the cause of Chris’s death—and to detail how the truth about it was ignored, and then the fiction re-invented, for the sake of reputation, and ultimately, dramatic effect. By doing so it is not my intention to slight Chris McCandless in the least, and I regret that any of these findings might be used insensitively or without proper context by the “anti-McCandless” camp. I am not—and it has never been my intention to be—a critic of Chris McCandless and the choices he made (see BACKSTORY). In fact, as stated on the documentary’s home page, The Call of the Wild is most of all a celebration of the spirit of McCandless, and a reflection on his legacy—not some sort of expose.

Be that as it may, and equally in the spirit of McCandless-via-Thoreau, here are three truths (and one speculation): I. Chris McCandless did not die as the result of eating a poisonous plant or “moldy seeds.”

H. alpinum seeds provided to Dr. Clausen by Jon Krakauer As far back as 1997, Dr. Thomas Clausen—the biochemist at the University of Alaska, Fairbanks, who examined the wild potato plant (Hedysarum alpinum) for Jon Krakauer—concluded after exhaustive testing that no part of H. alpinum is toxic. Neither the roots nor the seeds. Accordingly, McCandless could not have poisoned himself in the way suggested by Krakauer in his 1996 book Into the Wild, and in every subsequent reprinting of the book over the next decade. Likewise, Dr. Clausen’s analysis of the wild sweet pea (Hedysarum mackenzii)—given as the cause of Chris’s death in the current Sean Penn film—has also turned up no toxic compounds, and there is not a single account in modern medical literature of anyone ever being poisoned by this species of plant. Moreover, Penn’s on-screen excerpt from the ethno-botany guide Chris was using, indicating otherwise, is a complete fiction, for all that this plant lore text actually states is that the wild sweet pea “is reported to be poisonous” (Tanaina Plantlore, Priscilla Russell Kari, p. 128). The rest of it is simply made up. And so, even if McCandless made a mistake of botany, something that even Krakauer claims is unlikely, he would not have been poisoned as it is portrayed in the Penn film. Indeed, the author of Into the Wild is right on the mark when he states: “For three weeks beginning on June 24, McCandless had dug and safely eaten dozens of wild potato roots without mistaking H. mackenzii for H. alpinum; why on July 14, when he started gathering seeds instead of roots, would he suddenly have confused the two species?” A good question for Sean Penn.

As for the most recent Jon Krakauer “epiphany” about moldy seeds, hurriedly put forth in the wake of a September 2007 Men’s Journal article (“The Cult of Chris McCandless”) that for the first time in the Lower 48 revealed the falsehood of the H. alpinum theory, it is once again an untested theory, and one based entirely on veterinary literature—an obscure case where some horses in North Carolina ate large quantities of moldy red clover hay. He provides no evidence in support of the idea that this particular mold (Rhizoctonia leguminicola) has been found in Alaska on Hedysarum alpinum plants and linked with swainsonine. Nor can he provide a single case where a human has ever, anywhere, been poisoned in this way. And yet, Krakauer speaks of it in public as if this were a proven fact: “It turned out—I’ve learned, since writing the book, those seeds were moldy. And this mold created a poison that doesn't actually kill you outright, it keeps you from digesting food. So even though he was still eating food, he couldn't make use of it. And that—so he starved to death because he ate these moldy seeds” (The Oprah Winfrey Show, 9/20/07). The same day he repeated this claim on National Public Radio’s “All Things Considered,” describing to Melissa Block how he “puzzled” over this for years, but was now “pretty convinced” that Chris McCandless died from eating moldy potato seeds.

Can you see Rhizoctonia leguminicola here?

How did Krakauer “learn” that the seeds were moldy? According to his NPR interview, it was from this single photograph at right, where he says “you can see it’s damp,” and that it was in this Ziploc bag where the mold grew. This, of course, begs the question as to how he could possibly know from this single photo—if indeed these seeds are even moldy—that the mold produced was Rhizoctonia leguminicola, and that it was contaminated by the toxic alkaloid swainsonine. And further, that Chris then proceeded to freely eat “enormous quantities” of these moldy seeds, enough so that he was poisoned to the point where he could no longer digest any food. This theory is based on so many contingencies, and is so lacking in solid evidence, that it belies common sense.

And yet, beyond this botanic minutiae, perhaps the most important question for Jon Krakauer is why—if he’s “puzzled” over this for years, “doggedly” sifting through the literature, and has now come so firmly to believe in this new theory—he did not change the text of his book for the Sean Penn movie cover edition that was re-released in bookstores on August 21, 2007. Indeed, despite Dr. Clausen’s 1997 findings, not a word on the subject in the movie cover version released in the third week of August 2007 had been changed from the original 1996 book. It still read: “Conclusive spectrographic analysis has yet to be completed, but preliminary testing by Clausen…indicates that the seeds definitely contains traces of an alkaloid.” Not even a month later, however, these movie cover editions were quietly yanked from the shelves of bookstores all across America and replaced with a hastily printed revised edition that put forth the new moldy seed hypothesis. The so-called epiphany, it seems, had more to do with Matthew Power’s Men’s Journal article, when the decade-long deception was finally revealed, than anything else. There’s something moldy, all right, but it’s not the seeds—it’s the theory that Chris McCandless’s death was caused by a plant he ate.

Filmmaker update: Recently, an Alaskan high school student under the guidance of Dr. Clausen conducted a science experiment where he “sought to find evidence for whether or not H. alpinum seeds can produce swainsonine when grown with naturally occurring fungi.” In the end, after repeated failed attempts to find any detectable levels of the toxic alkaloid swainsonine in the samples, it was concluded that there was “no evidence to support the hypothesis that a fungus growing on H. alpinum seeds can produce swainsonine.” II. There’s no need to create far-fetched theories about toxic mold. It’s a case of Ockham’s razor: Chris McCandless starved to death over the course of 113 days.

Chris McCandless’s Body Mass Index (BMI) was on a downward trajectory from the day he walked “into the wild,” and it continued steadily downward until his death by starvation 113 days later. In all of the above Jon Krakauer and Sean Penn-formulated hypotheses, the suggestion is that McCandless was doing well during his wilderness experience and then quickly starved to death after making a costly, albeit “innocent,” mistake. As everyone knows, the scientific method is a 3-step process: (1) observe the facts, (2) develop a hypothesis, and (3) test the hypothesis. Based on results, the hypothesis may need to be refined and retested, over and over again, until the results cannot be disproved. Up to now, the hypothesis on McCandless appears to be: “Since he was doing well, what caused him to die of starvation?” This, of course, begs the question: On what facts is this hypothesis based? How do we know McCandless was doing well? Photos show an ever-increasingly gaunt McCandless. By McCandless’s own account, there were days of no food. And his diet was low in fats. And so perhaps the above hypothesis is flawed. By pre-determining that McCandless was doing well, simply by counting the number of birds and squirrels he was eating, Krakauer and Penn are left looking for a dramatic precipitating factor that caused his ultimate starvation. However, if one wants to identify a “scientific” cause for the death of Chris McCandless, then let’s start with an appropriate hypothesis, grounded in the scientific method. We observe that McCandless died of starvation. Our hypothesis then becomes: “What was the nutritional state (or rather, the energetic state) of Chris McCandless during his 113 days in the wild?”

No need for a precipitating event when explaining McCandless's starvation

Using peer-reviewed scientific literature, relying on calculations developed by the World Health Organization, and informed by McCandless’s own food journals, we tested this hypothesis. The result was that, despite some success hunting and gathering, McCandless was not able to secure enough food on a daily basis. He slowly lost weight until he reached a Body Mass Index (BMI) that was fatal. To test this hypothesis, we calculated his energy expenditure and compared this to his caloric intake. To assess his energy expenditure, we predicted the basal metabolic rate (BMR) of McCandless using a regression equation developed by the World Health Organization for young adult humans, age18-29. His BMR was adjusted to reflect his physical activity level—hunting and gathering—as defined by WHO criteria. McCandless’s caloric intake was estimated from his detailed 113-day food journal. In the end, a day-by-day comparison of his energy expenditure (BMR) and his caloric intake showed a consistent caloric deficit, i.e. weight loss. By Day 113, his Body Mass Index (BMI) had dropped into the range of 13 kg/m2, a level considered incompatible with life. It is believed he died on that same day.

This empirical analysis of McCandless’s energetic state shows a steady loss of weight. He may have gotten sick from one of his meals at the end of July (“Extremely weak. Fault of pot. seed,” he writes on 7/30/92), but this was not the cause of his death. The data show that he died of starvation because he couldn’t meet his energetic needs over 113 days. There is no need to devise a theory based on a botany mistake, or the ingestion of “toxic seeds.” To suggest, as Krakauer does, that McCandless was “hungry but doing fine” (9/20/07 NPR interview) and “in reasonably good health” (Into the Wild, p. 189), and starved only because he ingested moldy seeds is to ignore the data. However, these false explanations accomplish two things: they enable Krakauer to reprint Into the Wild without running afoul, either in terms of his original theory, or his tardiness with the facts; and second, they provide both Krakauer and Penn a dramatic device to heighten the tragic nature of the story, and a means to assert that “the guy wasn’t quite as reckless and incompetent as he has been made out to be” (Into the Wild, p. 194). Ironically, it could be argued that having Chris unable to correctly identify a plant, or having him so foolish as to be eating “enormous quantities” of mold, is actually to cast him as more “reckless and incompetent” rather than less, and belies both his intelligence and toughness, and his will to live.

When we spoke with the Alaskan medical examiner who conducted the Chris McCandless autopsy, and asked him if he thought Chris might have been poisoned…he said no, not at all, and that he believed McCandless simply starved to death. III. Counter to the portrayal in the Krakauer book and Penn film, Chris McCandless carried “into the wild” a wallet with multiple sources of identification and $300 in cash, as well as a map.

Chris did not burn up his social security card In the current Hollywood version of the story, there is a scene where Chris cuts up all of his identification and burns his social security card. Obviously, it is a powerful and symbolic visual. The problem is, it never happened. In the Krakauer book, as well, there is a scene where Chris leaves, among other things, eighty-five cents in loose change with Jim Gallien, the man who gave him a ride to the head of the Stampede Trail. That may indeed have happened, but what is missing from this version of the story is that Chris had $300 in his wallet at the time. It has also been suggested in many places, and generally understood, that Chris had no map with him while he was out at the bus. It turns out this is also untrue. He did have a map, and although it may not have indicated the gauging station just downriver on the Teklanika, it certainly would have had the Denali park service road that can be reached from the bus side of the river, a road that crosses over the Tek and could have provided a way out for McCandless (more on this below).

Regarding the wallet, Healy resident Will Forsberg discovered it in McCandless’s backpack, that had been left out in the bus following Chris’s death. Somehow the Alaska state troopers and investigators at the scene missed it. And so it now seems the two-week mystery and search for McCandless’s identification, played out in newspapers all across the country, and ironically, the inspiration for much that has been said and written about him in the years that followed, was rather unnecessary. Right there in the bus with him was a wallet that contained his social security card, birth certificate, driver’s license, health card, voter identification, and three library cards. Most significantly, this new evidence seems to indicate that Chris had no “death wish,” as some of his harshest detractors have claimed, and that in fact he intended to return to society at some point. Will Forsberg found Chris's backpack in fall 1992 Interestingly, the language from the original Outside magazine article changed slightly when it was published in the book Into the Wild. In the original story, Krakauer writes that “he left the map in Gallien’s truck, along with his watch, his comb, and all his money, which amounted to 85 cents.” However, when the book was published, these lines were changed to the following: “Alex insisted on giving Gallien his watch, his comb, and what he said was all his money: eighty-five cents in loose change” (p. 7). What happened to the map? Why the nuance of “what he said” was all his money? Was the reason for the latter that Krakauer suspected Chris had more than eighty-five cents on him, which would make sense considering he writes in another chapter that Chris had left Carthage twelve days earlier with “approximately one thousand dollars tucked in his boot” (p. 68).

Why was mention of the map removed? Well, perhaps because it is listed among the possessions returned to the McCandless family following Chris’s death. Curiously, however, Krakauer fails to mention this in either the original article or Into the Wild: “At the coroner’s office they were given the handful of possessions recovered with the body: Chris’s rifle, a pair of binoculars, the fishing rod Ronald Franz had given him, one of the Swiss Army knives Jan Burres had given him, the book of plant lore in which his journal was written, a Minolta camera, and five rolls of film—not much else” (p. 131). Not much else? Besides the notes, there’s only one other thing: the map. He’s chosen to list everything but the map. Later in the text, again never explicitly mentioning the map that McCandless did have, he writes: “Because he had no topographic map”; and in the next paragraph, “He simply got rid of the map. In his own mind, if nowhere else, the terra would thereby remain incognita”; and then followed by the line, “Because he lacked a good map…” (p. 174). Couching it this way, without a word on the map he actually did have, most readers come away believing McCandless had no map with him out at the bus.

Chris's possessions, released by Alaska coroner If you have access to this possessions list and are able to detail all of the other property found with McCandless, why would you choose to list everything but this map when doing so? And then later, choose not to even mention its existence when specifically discussing the subject of maps? A fair question for Jon Krakauer. Interestingly, he continues to let others believe that Chris didn’t have any map at all, and his pat answer to questions on the subject deflects the truth by talking about what other people say rather than correcting the interviewer (excerpts below from The Oprah Winfrey Show, 9/20/07; and Sundance Channel’s 2007 season premiere of Iconoclasts):

OPRAH WINFREY: So eating the seed was the fatal—was the fatal blow? JON KRAKAUER: That's what finally pushed him over the edge. OPRAH WINFREY: But not having a map? JON KRAKAUER: Not having a map. He—well, I mean, it's easy to criticize Chris. He didn't have a map. He didn't have an axe. He had a very small-caliber rifle. But, this was not--this was by design.

From Iconoclasts: Jon Krakauer: People don’t get it. “He didn’t even have a fucking map! What kind of idiot.” That was the point. There’s no blank spots on the map anymore, anywhere on earth. You want a blank spot on the map, you’ve got to leave the map behind.”

The fact that Chris had identification and money with him, as well as this map, does not diminish what he was trying to do that summer of 1992, but the map in particular does raise the question as to why he didn’t head south along the bus side of the Tek, and then make use of the Denali park service road as a way over it—once he suspected he was in trouble. Though we can certainly speculate on the reasons, the answer to this question we’ll never know for sure. IV. Chris may have sustained a shoulder or arm injury of some kind during his time on the Stampede Trail, perhaps debilitating enough to prevent him from re-crossing the Teklanika River.

Do you think there's an arm in that sleeve? If you look closely at the iconic shot of Chris sitting in front of the bus, taken probably mid-summer (though some confusion remains on our part, due to the fact that some sources, including the Penn movie, indicate that this shot was on his final roll of film, still in the camera when his body was found), one can’t help but notice that it looks as if he does not have his right arm in the sleeve of his flannel shirt. Rather, it appears to be slung somehow underneath his shirt, obscured somewhat by his left knee. Compare the two shoulders, and arms. Observe the shadow and deep crease of the right sleeve. Look at the bulge and pull of the right side of the shirt. Gauge the fall of the shirt on the right side versus his left. Something looks wrong, doesn’t it? Where is his right arm? Had Chris injured his shoulder? And could this be the injury he writes of in his S.O.S. note? Something that healed over time and became useful again, as separated shoulders do naturally (severity and healing times vary considerably: for example, this past NFL season Brett Favre was able to play the week following a shoulder separation…and we’re talking here about an acromioclavicular joint separation and not a shoulder dislocation), an injury that did not prevent him from writing (Chris was right-handed) but was still debilitating enough to make swimming the Tek extremely difficult.

S.O.S. note Chris posted in one of the bus windows Until now, no plausible explanation of this mention of an injury in his S.O.S. note has been put forth (interestingly, the S.O.S. note was completely ignored by the Penn film…though the idea that he signs his real name here was employed, inaccurately, on the goodbye note that we see near the end of the movie). In any case, the best explanation that anyone has ever been able to come up with is that he either made it up (which doesn’t really fit when you think about who Chris was), or that he perhaps suffered a leg laceration of some sort, something that wouldn’t show up by the time of the autopsy. All along, most everyone had imagined it must have been, if anything, a leg injury that prevented him from walking out, and had never considered, counterintuitively, that it was an arm or shoulder injury. This type of injury, too, already healing somewhat, as indicated in is his final self portraits (his right arm slightly raised), is also something that would not likely show up in an autopsy. Of course, as stated in the documentary, this piece of evidence is by no means definitive, and our attempts to reproduce this visual effect were in the end inconclusive; although it was easier to get an empty-sleeved shirt to look like this photo, it was also possible to achieve this look with an arm still in the sleeve. And thus this image could be simply an illusion, a trick of light and shadow and posture. It could simply be a figment of the imagination. And yet, that being said, once you do see this aspect of the photo for the first time, it is difficult to ever look at it the same way again—it’s hard not to conclude you are indeed looking at an empty sleeve. Be that as it may, and as speculative as it is, it was included in the documentary for the sole reason that it was noticed, that it might help explain the mystery of the S.O.S. note, and that we wanted to open it up for further investigation and debate.

For what it’s worth, in the final stages of editing the documentary, we showed this image to a friend in sports medicine who had never heard of Chris McCandless, and who has been treating shoulder injuries for decades. We didn’t tell him a word about the film, or the Chris McCandless story, or that we suspected an injury of any sort…but simply asked him to take a look at this photo and tell us what he saw. He said it looked to him like this man had injured his shoulder.

©2007 Terra Incognita Films – All Rights Reserved

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