Now Playing: Coaches Out of Control

Now Playing: Reporter Flips Out Covering Scientology

Now Playing: Bobby Knight Slaps Student Player

Now Playing: Getting Angry Is Bad for Your Health

Now Playing: Connecticut woman facing deportation to Guatemala takes refuge in local church

Now Playing: OJ Simpson says he has led a 'conflict-free life'

Now Playing: Ice cream frozen with liquid nitrogen cools off National Ice Cream Month

Now Playing: Police pursue charges against teens who they say recorded man's drowning

Now Playing: Blind, burned dog finds home with firefighter-in-training

Now Playing: Vigil held in Minnesota for woman killed by police

Now Playing: Burundi robotics team missing after competition in Washington, DC

Now Playing: Protest breaks out at Minneapolis mayor's news conference

Now Playing: Will OJ Simpson be granted parole?

Now Playing: What to expect in OJ Simpson's parole hearing

Now Playing: OJ Simpson describes himself as a 'good soldier' and 'giving guy'

Now Playing: OJ Simpson's commitment is to 'be a better Christian'

Now Playing: OJ Simpson speaks out about Vegas robbery to parole board

Now Playing: OJ Simpson's daughter describes him as 'my best friend and my rock'

Now Playing: Chairman calls OJ Simpson 90 instead of 70 years old

Now Playing: OJ Simpson's lawyer misplaces letter during hearing