Now Playing: Youngest member of the ‘Manson family’ says Charles Manson ‘made you feel really special’
Now Playing: Should you have a sprinkler system in your home?
Now Playing: Manhunt grows for suspected Florida serial killer
Now Playing: Trial continues for San Francisco pier killing that provoked immigration debate
Now Playing: College football players plead not guilty in alleged assault on student
Now Playing: Wind, reported tornadoes slam the Carolinas
Now Playing: Suspect captured in California shooting spree that killed 2, injured 3
Now Playing: Airport damaged after tornado touches down in North Carolina
Now Playing: Bill O’Reilly fires back after New York Times report
Now Playing: Vietnam vet receives nation’s highest honor
Now Playing: Former Cleveland police officer on the run
Now Playing: More details surface about deadly ambush in Niger
Now Playing: 3 Florida murders in 11 days
Now Playing: Widow of fallen soldier breaks silence about her call with Trump
Now Playing: Zak Ebrahim: It takes so much energy to hate
Now Playing: NYPD adds 434 officers to its ranks
Now Playing: High school football team’s patriotic parade at homecoming
Now Playing: Fallen soldier gained fame as bike stunt star before military
Now Playing: ‘GMA’ Hot List: Pregnant widow of fallen soldier will tell daughter that her father ‘died as a hero’
Now Playing: Vietnam War medic who saved 60 on secret mission receives Medal of Honor