Now Playing: Winter storm slams Mid-Atlantic states

Now Playing: Major winter storm slams the Midwest

Now Playing: Skiers rescued after being buried by New Mexico avalanche

Now Playing: 3 Chicago police officers acquitted on Laquan McDonald shooting cover-up

Now Playing: Conservationists swim with massive shark off Hawaii coast

Now Playing: ‘Golden Girl’ and everyone’s friend Betty White turns 97

Now Playing: Police in Tempe, Arizona kill 14-year-old during foot chase

Now Playing: 3 bank robbery suspects in custody after Dallas chase: Police

Now Playing: Drunken passenger on plane gets 6 months in jail for tirade

Now Playing: 911 call released in 18-year-old UC Irvine fraternity member’s death

Now Playing: Stunning reversal on collusion between Russia and campaign

Now Playing: Trump refuses to let House speaker use military jet for overseas trip

Now Playing: Government workers protest Senate GOP outside DC ballpark

Now Playing: Man fleeing cops chased down by horses

Now Playing: How Jim and Tammy Faye Bakker built ‘PTL’ money empire before downfall

Now Playing: Police officers found not guilty of covering up shooting of Laquan McDonald

Now Playing: Child rescued after car seat falls onto busy road

Now Playing: Cold case revived 14 years after teen goes missing in California

Now Playing: Police find WWE legend’s niece after she was abducted

Now Playing: California teachers union, school district resume negotiations amid strike