Your scenario would have us believe that the cats disrobed Dylan and set aside any of his personal property for investigators to find before they moved him to the feeding ground.
That's not how it works.
A 4-6 year old cat can grab a 200 pound man by the back of the neck and jump 20 feet without touching the ground. They sit perched above animal trails and grab the pray and then move them to a secure location to feast on for up to 7-10 days. The carcass is generally buried in brush between feedings, (lunch and dinner). the entire pack will feed off the fill after the dominate cat is satisfied.
It's called mother nature and humans have been on the cats menu for about 2 decades.
I'm sure you know more about this topic than I do, given that you're a Search and Rescue worker, but I was recently doing research and writing on Colorado mountain lions, specifically the problems that they're been having around Boulder in recent years, and the success of tracking programs. Before anyone gets really alarmed by the photo posted above, or others that are similar, I'd like to post these facts, by the Colorado Division of Wildlife. It's also worth noting that a lot of the problems Boulder has had have stemmed from human behavior (feeding of mule deer, leaving food outdoors, not understanding that these animals are not just big kitties):
7. What are the risks to humans from lions?
In Colorado, there have been two confirmed deaths and one suspected death caused by mountain lions. All three have occurred since 1990, and all of these incidents occurred in undeveloped areas away from towns. In Boulder, the natural areas surrounding the city experience high visitation (an estimated 4.7 million visits to city Open Space and Mountain Parks property during a 12-month period in 2004 and 2005) and there has been one reported attack on OSMP property which occurred in 2006. Four additional people were injured by mountain lions in Boulder County between 1990 and 2000, all of which also occurred outside the Boulder city limits. Across the wider range of mountain lions in the western United States and Canada, attacks on humans are also very rare.
There has been an average of 0.2 annual human deaths in all of North America from mountain lions between 1900 and 2007. This number is very low compared to annual deaths from black widow spiders (1.4 between 1950-1989), domestic dogs (16 between 1979-1998) and car crashes (45,000 between 1980-2005).
While the risk of a lion attack is very low, there is still a risk associated with living or recreating in lion habitat. The obvious facts to take into account are that lions are predators, they prey on large mammals, and throughout their range they have
on very rare occasions been responsible for some human injuries and deaths.
BBM
So, not saying that it _couldn't_ happen, just that these creatures usually prefer other prey, and rarely go after humans. Just wanted to add that I didn't post this to criticize anyone's opinion, as I wrote, it _could_ happen; it's just unusual. Rather, I did attend a talk by two biologists/specialists in large cat behavior a year or so ago, and they did emphasize how rare the attacks are, and were obviously worried about the possibility of people being incited to go and randomly shoot any mountain lion they happened to come across.