Now Playing: Dozens injured inside Amazon warehouse after robot mishap
Now Playing: Remembering Shanann Watts: ‘Her love for children and friends was amazing’
Now Playing: Promotion for free cheesecake gets out of control
Now Playing: News headlines today: Dec. 6, 2018
Now Playing: New Orleans Saints team owner revealed as layaway ‘Secret Santa’
Now Playing: Reuben Foster’s ex says Redskins’ decision to sign linebacker was a ‘slap in the face’
Now Playing: At least 2 dead after semitrailer collides with school bus
Now Playing: Powerful storm to bring rain, snow
Now Playing: Man pushes random passerby in front of truck
Now Playing: This family tradition has 8 babies wearing the same outfit
Now Playing: Life-size gingerbread house lets guests host sweet parties
Now Playing: Ohio dad makes his bullying daughter walk to school
Now Playing: Michael Flynn a key cooperating witness: Special counsel
Now Playing: Bush remembers his father: ‘He listened and he consoled’
Now Playing: Bush shares ‘beautiful gesture’ from his father after 9/11
Now Playing: Father of US tourist killed in Costa Rica: ‘We are incomplete’
Now Playing: Rain on West Coast triggers mudslide fears in California
Now Playing: Amazon warehouse workers sickened after bear-spray incident
Now Playing: USA Gymnastics files for bankruptcy protection
Now Playing: Bill Clinton on traveling abroad with George H.W. Bush