Now Playing: Severe weather across the country and deadly tornadoes in the South
Now Playing: Couple in so-called ‘Gone Girl’ case convinced more suspects still out there: Part 6
Now Playing: California city to settle with couple in so-called ‘Gone Girl’ case: Part 5
Now Playing: Couple in so-called ‘Gone Girl’ case denounced by police: Part 3
Now Playing: Man who kidnapped woman in so-called ‘Gone Girl’ case finally caught: Part 4
Now Playing: Couple drugged and blindfolded, and woman abducted in the middle of the night: Part 1
Now Playing: Police question boyfriend of abducted woman, doubt his story: Part 2
Now Playing: Special Report: Pentagon briefing on Syria strike
Now Playing: Recordings seized during FBI raid of Trump personal lawyer’s home, office: Sources
Now Playing: US ambassador to the UN confirms chemical weapon attack in Syria occurred
Now Playing: Thunderstorms, hail and possible twisters for parts of the US
Now Playing: Yacht captain stopped trying to flee US after passenger was killed by propeller
Now Playing: Trump lawyer Michael Cohen under criminal investigation
Now Playing: Family of newborn taken after birth sues hospital, Native American tribe
Now Playing: Driver survives after van plunges off cliff
Now Playing: Substitute teacher arrested for allegedly encouraging students to fight in class
Now Playing: California police finally stop driver of stolen car after crazy 90-minute chase
Now Playing: Mega Millions winner ‘humbled’ over $533M jackpot
Now Playing: Murder-suicide includes incestuous couple: Police
Now Playing: Former TV producer arrested for allegedly killing her sister
