. >> larry flynt, the publisher of "hustler" magazine, he and his lawyer were walking down the sidewalk when somebody on the street opened fire. >> making it nearly impossible to catch. >> we know they were shot by a sniper. the rifle say high-powered rifle with a scope on. >> remember the two teenage boys in abby that you shot. you could see they were young. >> when i go out to kill rattlesnakes i don't make any difference in big rattlesnakes or little rattlesnakes. so i know that little rattle snakes will grow up to big ones that will bite me. so i look at blacks the same way. >> that's the way i'm planning it. >> now, the federal fbi profiler enters death row and steps into the criminal mind scape. ♪ ♪ >> these interviews for me are fascinate i fascinating. they are absolutely the most intriguing experience that i've had in the fbi. >> mary ellen o'toole spent her career at the fbi, including 15 years in the bureau's famed profiling. >> i worked specifically on profiling serial murder cases and assisting law enforcement all over the world on how to understand these offenders and how