Now Playing: Coast Guard's Oil Spill-Containment Plan

Now Playing: Oil Spill Reaches Gulf Coastline

Now Playing: Seafood Harvest Threatened by Oil Spill

Now Playing: New music from legendary artist Prince is now available on two deluxe versions of 'Purple Rain'

Now Playing: Mistrial after jury deadlocked in the case of University of Cincinnati officer accused of killing an unarmed black motorist

Now Playing: JetBlue flight forced to make emergency landing in due to smoke in the cockpit

Now Playing: A Chicago-area YMCA is being sued after a man who suffered heart pain while swimming is allegedly ignored by lifeguards

Now Playing: Johnny Depp faces backlash after openly discussing a possible assassination of Donald Trump

Now Playing: Trump reacts to Washington Post report that Obama administration was aware of Russia hacking plot

Now Playing: Ugly pups compete in the annual world's ugliest dog competition

Now Playing: Whale surprises boaters off the coast of New Jersey

Now Playing: Little Big Town performs its fan favorite 'Pontoon' live on 'GMA'

Now Playing: 4 GOP senators 'not ready to vote' for health care bill

Now Playing: What the Senate health care bill could mean for Americans

Now Playing: Appeals court upholds Mississippi 'religious freedom' law

Now Playing: Bill Cosby juror says 2nd trial would be a 'waste of money'

Now Playing: Johnny Depp jokes about assassinating the president

Now Playing: Heavy winds, tornadoes rip through the South

Now Playing: 'Making a Murderer' subject scores court win

Now Playing: Dennis Rodman says North Korea visit was 'worth it' amid criticism