Now Playing: Gymnastics doctor scandal sparks protests at Michigan State University and new resignations
Now Playing: Manslaughter conviction in former NFL player’s death
Now Playing: The repercussions from Nassar sexual abuse case: Part 6
Now Playing: Larry Nassar defends himself in court: Part 5
Now Playing: Missed opportunities to sound the alarm on Nassar: Part 4
Now Playing: Former gymnast who decided to step forward about Nassar: Part 3
Now Playing: Top athletes recall Nassar molesting them during treatment: Part 2
Now Playing: ‘Army of survivors’ break their silence at Nassar sentencing: Part 1
Now Playing: Reunion between the firefighter and the child he rescued from a burning home
Now Playing: Report: Dozens of women claim Billionaire Steve Wynn demonstrated a pattern of sexual misconduct
Now Playing: 2 state troopers injured during standoff in Maryland
Now Playing: New fallout after the sentencing of former USA gymnastics team doctor Larry Nassar
Now Playing: An alleged school shooting plot derailed in Pennsylvania
Now Playing: Entire USA Gymnastics board to resign after being given ultimatum by U.S. Olympic Committee
Now Playing: Suspect charged in series of drive-by shootings in Fresno, California
Now Playing: Teen charged with aggravated assault for allegedly exposing pineapple to girl with allergies
Now Playing: Sister survivors: Nassar accusers share their harrowing stories of abuse
Now Playing: Passengers describe search for woman who fell off cruise ship
Now Playing: Teen with terminal cancer to marry high school sweetheart
Now Playing: Police recover guns, machetes in room of teen who allegedly plotted school shooting
