If you watch the video and see the guy talking, he pretty much says that the only reason he didn't kill any of them was because he couldn't get a shot off, and that's even after he followed them across three counties. And he was planning on shooting to kill (the driver at least).
Yeah, I wtf'd at that. The first story like most of you said was made up (not really, but added to it). He also never put the gun between the guy's eyes nor did he pin them THEN call rangers. Even so, he could've started shooting at the car anytime not caring who he would've hurt. Which I think I probably would've done seeing them all laugh. The guy has been through a lot, and it seems he's a decent dude. Unlike most people suiciding and killing their families these days for being poor.
Eh, I have to step in on the account that I have a friend with PTSD. Often times, anyone who watches their best friends, whether these are people that have been trained and taught to die for or not...well, die, it sends a person over the edge. Also, War is hell, and all you need to do is ask a veteran that is willing to talk about it to find out.
In my friend's case, I'm fairly certain it wasn't improper upbringing or anything of that nature. He spent two tours in Afghanistan with a 6 month break between those, then 2 months after his second tour he had a 12 month tour to Iraq. While he was on that 3rd tour, a mutual friend of ours was killed by an IED with about a month left in our tour. Now, while he was over there, his unit was attacked, and his unit had 2 soldiers killed and he was wounded with shrapnel*. Fast forward through the remainder of his tour. He gets home, to find out our friend had been killed near the end of his tour. About 3 months later, he was discharged and diagnosed with Post Traumatic Stress Disorder, and is now on some government disability plan for the rest of his life due to his shoulder being wrecked and him having some serious issues upstairs.
I know that there's some cases where a nut winds up in the military and goes off, however these cases aren't as prevalent as some might think. And as far as people with PTSD goes, the government is usually more responsible for placing straws than any issues at home. And nearly always the last straw to send a person over the edge.
*- he received a purple heart for his service.