randy weaver and t.j. duff barely seemed to move.ruth will appear ♪ ♪ so simple and clear ♪ >> reporter: five hours later, when the psilocybin began to wear off, the vets removed their eye masks and found the heat of the afternoon sun. the next day the group gathered to discuss what they'd gone through. >> it literally felt like an exorcism. my foot was going crazy. i could kind of feel like my body was convulsconvulsing. >> i felt like i was taking every last breath of any victim, patient or friend that i had lost. so i really struggled to breathe yesterday. >> i'd never done anything like that before. >> reporter: randy weaver appeared to find some of what he traveled all this way for. >> one thing that i remember very vividly was flying back with the guys that -- that we lost, like being on that medevac, even though i wasn't there in the real world. i was there spiritually with them. >> reporter: t.j. duff, however, found it unsettling and at times scary. >> i've heard a lot of you guys' stories, and i did not get it as immersive