Now Playing: Famed chef Mario Batali investigated for sexual assault by NYPD

Now Playing: NYPD investigates Mario Batali sexual assault claims

Now Playing: Lava flows into the ocean, causes toxic plumes

Now Playing: Blind, elderly horse rescued after falling into 8-foot well

Now Playing: DNA tests underway to confirm captured cougar attacked bikers

Now Playing: NYPD investigating chef in connection with 2 sexual assault allegations: Sources

Now Playing: Woman says she was stopped, questioned by Border Patrol after speaking Spanish

Now Playing: In Hawaii, 'laze' being created by steady flow of lava entering the ocean

Now Playing: Officer responding to call about suspicious vehicle killed: Police

Now Playing: Urgent manhunt for 2 escaped inmates charged with murder

Now Playing: Officials: Suspected Santa Fe school shooter was cornered in 4 minutes

Now Playing: Lawyer for Sante Fe High School shooting suspect speaks

Now Playing: Police search for baboon on the loose at Texas airport

Now Playing: Baltimore-area officer gunned down responding to suspicious vehicle report

Now Playing: Huge sinkholes engulf road in Florida

Now Playing: Naval Academy freshman complete traditional Herndon Climb

Now Playing: 'Ice Runner' trailer - ABC News Features

Now Playing: Flooding plagues Potomac River

Now Playing: Lawyer for alleged Santa Fe gunman looking into reports he was bullied

Now Playing: Cat shot through with arrow receives emergency surgery