. >> reporter: one of those protesters, chicago seven rennie davis needed a stretcher. >> i was being clubbed by police. the police were literally screaming kill davis. >> reporter: how bad was your head injury? >> i had to go to the hospital. i will tell the story i have never shared before publicly. i went to the hospital to get 13 stitches. the police realized i was in the hospital because they knew i had been clubbed. they started a search of the hospital room by room by room. mostly the nurses, they could end their career by what they did. they put me on a trolley car and covered me with a sheet and moved me from room to room. >> reporter: to hide you from the police. >> to hide from the police, yeah. >> reporter: protesters and the police ordered to stop them, it was a dangerous game. but the activists all knew what they were in for said the former defendant lee winer. did you know you were risking prison time? >> always a probability, you know, what are we going to do, not do it just because of that? not a chance. >> your plans for the convention were designed specifically to d

. >> reporter: one of those protestors, rennie davis, needed a stretcher after taking a billy club to >> i was being clubbed by the police, and the police were literally screaming. >> reporter: and how bad was your head injury? >> i had to go to the hospital, and i'll tell the story now that i never shared before publicly. i went to the hospital to get 13 stitches, and the police realized that i was in the hospital because they knew i had been clubbed, and so they started a search of the hospital room by room by room. and mostly the nurses -- they could end their career by what they did. they put me on a trolley cart and covered me with a sheet and moved me from room to room. >> reporter: to hide you from the police? >> to hide from the police, yeah. >> reporter: for protestors and the police and who were ordered to stop them, it was a dangerous game. but the activists all knew what they were in for, says former defendant lee winner. did you know you were risking prison time? >> it was not only a possibility, but a probability. but are we going to not do it just because of that? not a