Now Playing: CEO who saved Fiat and Chrysler dead at 66
Now Playing: Officer climbs over cars to help pile-up victims
Now Playing: Michael Cohen arrives on Capitol Hill today to testify
Now Playing: New study shows parents are sleep deprived in the first 3 months after baby is born
Now Playing: Fiat Chrysler to add hundreds of job in Michigan
Now Playing: Mother and teen daughter arrested, family members found murdered
Now Playing: Rhino injures Florida zookeeper
Now Playing: Selma Blair’s courageous fight
Now Playing: New Jersey classmate murder verdict
Now Playing: Fire at Michigan plastics factory
Now Playing: Hundreds of passengers stranded on a train for over 24 hours
Now Playing: R. Kelly’s younger brother speaks out, says he’s afraid the singer might harm himself
Now Playing: Mistreatment of migrant kids in US custody is an ‘outrage’: lawmaker
Now Playing: Rep. Amash: ‘The president doesn’t get to just declare an emergency’
Now Playing: Amtrak train stranded in Oregon for over 24 hours
Now Playing: Jon Stewart’s fight for 9/11 first responders
Now Playing: Coyote treks across frozen lake
Now Playing: R. Kelly out of jail
Now Playing: Wind blows the roof off a building
Now Playing: Landfill could hold clues in missing Colorado mom search
Read More