. >> reporter: back home after witnessing four people being murdered, psychotherapist mark colcloughoying all his professional skills to minimize the anguish. two weeks on, how traumatized do you think you are? >> i can't scale that on a one to ten scale. i still have signs of trauma and shock. and post-traumatic stress is very much still there. >> reporter: can you describe the things that are troubling you still? >> sure. flashbacks of the gunmen. very clear-- there's been a dream that's recurring several times about me being in the hall of my house and looking down to the sitting room and i can see shadows on the wall, and i'm with my travel friend who was with me in paris and i turn round and say to him, looks like there's a break in. there are thieves in the sitting room, i turn around to look at him because i know he's behind me. in the dream i look back and he's not there. and i look forward again to the living room, and the gunman is right there shooting at me this time. that's where i wake up. >> reporter: do you think you are going to be permanently damaged? >> oh no. i don

mark colclough and his friend went to see if they could help. when you went into the cafe what did you see? >> colclough: wounded. some were, i could see one guy had been shot in his thigh. i could see another woman had... already been given an oxygen mask, and was... i could see the paramedics had put themselves on either side of her so i thought she was more critically wounded. and then towards the bar i could see on our left, i could see there were three of four dead bodies lying in front of the bar. civilians. so, i looked down, and i saw big puddles of blood. puddles. not little droplets, but puddles. >> pelley: tables turned over? >> pelley: chairs flipped over? chaos? the smell of gunpowder in the room. >> pelley: half a mile away, an american band was playing to a packed house at the bataclan music hall. francois was by the stage. he's asked us to use only his first name. >> francois: there was about 1,500 people inside. dancing at the ground floor. >> pelley: on the ground floor, there are no seats? it's all open? >> francois: no seats.

in a story for "60 minutes," we spoke with two survivors of the attacks, mark colclough witnessed the shooting at a cafee , and man named francois, who did not want us to use his last name, suffered a grazing bullet wound from the music hall massacre. [gunfire] >> i heard the gunshots, about ten. he shot in my direction, so i just laid down on the floor, like head on the ground, and then that's how i felt the bullet in my back. >> pelley: can you show me where you were hit? >> so i was shot here on the back just below my shoulder, and the bullet came out here. >> pelley: so lucky to be alive. >> yeah, yeah. >> he shot three of them just like that. the three that were sitting outside he shot very quickly. then he shot into the car. then he moved into the cafee , looked out, panned right with his weapon, didn't shoot, panned left, duck, duck, duck, pause, duck, duck, duck, pause. very quickly. they ran into the cafee . >> pelley: when you went into the cafee , what did you see? >> wounded. and then toward the bar i could see on our left i could see there were three our four dead bodies

in a story for "60 minutes," we spoke with two survivors of the attacks, mark colclough witnessed thee, and a man named francois, who did not want us to use his last name, suffered a grazing bullet wound from the music hall massacre. [ gunfire ] >> i heard the gunshots, about ten. he shot in my direction, so i just laid down on the floor, like head on the ground, and then that's how i felt the bullets in my back. >> can you show me where you were hit? >> so i was shot here on the back just below my shoulder, and the bullet came out here. >> so lucky to be alive. >> yeah, yeah. >> he shot three of them just like that. the three that were sitting outside he shot very quickly. then he shot into the car. then he moved into the cafe, looked right, panned right with his weapon, didn't shoot, panned left, duck, duck, duck, pause, duck, duck, duck, pause. paramedics were there very quickly. they ran into the cafe. >> when you went into the cafe, what did you see? >> wounded. and then toward the bar i could see on our left i could see there were three our four dead bodies lying in front of the

in a story for "60 minutes," we spoke with two survivors of the attacks, mark colclough witnessed the shooting at a cafe, and a man named francois, who did not want us to use his last name, suffered a grazing bullet wound from the music hall massacre. [ gunfire ] >> i heard the gunshots, about ten. he shot in my direction, so i just laid down on the floor, like head on the ground, and then that's how i felt the bullets in my back. >> can you show me where you were hit? >> so i was shot here on the back just below my shoulder, and the bullet came out here. >> so lucky to be alive. >> yeah, yeah. >> he shot three of them just like that. the three that were sitting outside he shot very quickly. then he shot into the car. then he moved into the cafe, looked right, panned right with his weapon, didn't shoot, panned left, duck, duck, duck, pause, duck, duck, duck, pause. paramedics were there very quickly. they ran into the cafe. >> when you went into the cafe, what did you see? >> wounded. and then toward the bar i could see on our left i could see there were three our four dead bodies lyi

in a story for "60 minutes," we spoke with two survivors of the attacks, mark colclough witnessed the shooting at a cafe, and a man named francois, who did not want us to use his last name, suffered a grazing llet wound from the e sic hall massacre. [ gunfire ] >> i heard the gunshots, about ten. he shot in my direction, so i just laid down on the floor, like head on the ground, and then that's how i felt the bullets in my back. >> can you show me where you were hit? >> so i was shot here on the back just below my shoulder, and the bullet came out here. >> so lucky to be alive. >> yeah, yeah. >> he shot three of them just like that. the three that were sitting outside he s st very quickly. then he shot into the car. then he moved into the cafe, looked right, panned right with his weapon, didn't shoot, panned left, duck, duck, duck, pause, duck, duck, duck, pause. paramedics were there very quickly. they ran into the cafe. >> when you went into the cafe, what did you see? >> wounded. and then toward the bar i could see on our left i could see there were three our four dead bodies lyiyi