Now Playing: Police use taser on man who stole tractor

Now Playing: South Carolina town settles lawsuit over 86-year-old man tased by police

Now Playing: School officers use stun gun on teen girl

Now Playing: Firefighter signs with non-verbal child after checking on alarms

Now Playing: An all-female crew of fighter pilots flew in formation in honor of Rosemary Mariner

Now Playing: 2 ATVs fell through the ice into Heritage Lake in Indianapolis

Now Playing: Video shows burglary of a $15 million mansion in Los Angeles

Now Playing: Temperatures expected to rise on the East Coast

Now Playing: Virginia governor refuses to resign after a racist photo in his yearbook surfaces

Now Playing: Major storms are making their way through California

Now Playing: What it’s like to be an Atlanta subway station ticket agent during Super Bowl weekend

Now Playing: Elephant seals take over a northern California beach

Now Playing: No shadow in sight for Punxsutawney Phil

Now Playing: Police hunt for brazen thieves who targeted a Los Angeles mansion

Now Playing: BTK killer’s daughter on whether her children know who their grandfather is: Part 11

Now Playing: Families of BTK serial killer’s victims face him in court: Part 9

Now Playing: BTK reveals when he first began having twisted fantasies, what inspired them: Part 8

Now Playing: What else Dennis Rader, the BTK serial killer, was hiding from his family: Part 7

Now Playing: BTK’s mistake helps police finally identify and catch the killer: Part 6

Now Playing: After decades of silence, BTK killer returns, taunting local media and police: Part 5