Now Playing: Officers shot in standoff in Houston
Now Playing: Houston search for murder suspect on the run
Now Playing: Urgent manhunt for the gunman wanted in killing of a 7-year-old girl in Houston
Now Playing: Activist speaks out on killing of 7-year-old in Houston
Now Playing: Mystery surrounds fatal shooting of on-duty Marine
Now Playing: Deadly lion attack
Now Playing: Child injured by rhino
Now Playing: Man accused of stabbing mom arrested in NYC
Now Playing: News headlines today: Jan. 2, 2019
Now Playing: Florida men arrested for stealing $500,000 worth of tequila, police say
Now Playing: Newly released 911 calls show confusion as lion kills woman
Now Playing: Manhunt underway for gunman who killed 7-year-old girl
Now Playing: Teen, 14, fleeing from armed driver before fatal crash, police say
Now Playing: Multiple passengers struck with mystery illness on flight
Now Playing: 2-year-old injured after falling into rhino enclosure
Now Playing: Single winner takes $425M Mega Millions jackpot
Now Playing: What happened the night JFK, Jr.’s plane disappeared
Now Playing: JFK’s children at the White House: John Jr. was ‘the apple of his eye’
Now Playing: Airline worker’s dance moves bring smiles and goes viral
Now Playing: Man gives ability to see colors for first time to 23-year-old son
Read More