. >> what is that? is that a camera or something? boucher's unit was deployed to one of the most dangerous places on earth. >> how did it come about that you guys started filming your lives? >> the guys wanted to have memories of the deployment. if they wanted to go back years later and say hey, you know, this is what i did. >> dateline normandy beachhead, june 6th, 1944. >> reporter: the tradition of sharing war stories has been around as long as people have been fighting. but it was only a couple of decades ago that we were able to witness war as it unfolded on screen. wing of the third field hospital here in the south vietnamese capital of saigon. >> reporter: first in black and white. then technicolor. but now with the help of tiny mountable cameras for the first time we can see war filmed by soldiers themselves. [ gunfire ] the concept of a new series on the discovery channel "taking fire." >> this is my first patrol and i'm thinking, it's a beautiful country. up there when the sun comes up so cool. >> reporter: kyle boucher was just 22 years old when he left home for afghan

boucher was just 22 years old when he left home for afghanistan. >> hi, mom. >> we really didn't have any idea how bad it was going to get. >> go! go! >> reporter: and bad it got because boucher was sent to the afghan border with pakistan, a remote taliban-held region called the korengal valley, nicknamed the valley of death by the bullet-battered battalions stationed there. 42 american servicemen lost their lives in that valley. hundreds more woun [ gunfire ] >> where's it coming from? >> i don't know, dude. behind me. >> reporter: in the show it looks like you guys are sitting ducks. incoming fire all the time. was it actually that bad? >> yeah. we were at the bottom of a valley. the taliban could just creep right over the peak of a mountain, drop some small arms fire and rpgs on us, disappear into the mountains like it was nothing. >> reporter: were people getting hit by fire or shrapnel while taking showers, eating lunch? screaming overhead. it's awesome. >> reporter: six years later kyle boucher is one of the stars of "taking fire." along with his close friend and fellow soldier

office is now investigating how 51-year-old joanne boucher was killed earlier this week. cherise leclerc live with the very latest in the case. reporter: shelley, investigators have been at that crime scene