Now Playing: Did School Mistreat Autistic Kids?

Now Playing: New Disciplinary Method: Plastic Handcuffs

Now Playing: Stirring the Soul: Why one man has spent 30 years carving only abstract wooden spoons

Now Playing: Police searching for man who allegedly chopped off his wife's arm

Now Playing: Sept. 30, 2010: A look at Lorena Bobbitt's life years after her trial

Now Playing: Europe retaliates with tariffs on US goods amid trade war fears

Now Playing: Some families separated at the border reunite as House immigration bill flops

Now Playing: Uber driver attacked, left for dead in Boston neighborhood

Now Playing: Arcade 1Up brings arcade games home

Now Playing: Man with gun tattoo on face arrested for gun possession

Now Playing: Award-winning political analyst Charles Krauthammer dead at 68

Now Playing: Man who stole dead child's ID was WWII vet who vanished in the 1960s

Now Playing: Protestor reads poem written by police shooting victim

Now Playing: Survivors of pancreatic cancer bring their fight to Capitol Hill

Now Playing: 3-year-old reunited with sheriff's deputy who saved her from near hot car death

Now Playing: Bodycam video shows police K-9 wrestle shotgun away from man

Now Playing: Protesters after cop shoots unarmed black teen: 'He didn't deserve to die like that'

Now Playing: Man tries paying waitress with her own stolen card

Now Playing: Heavy flooding inundates Pennsylvania parking lot

Now Playing: Armed pastor who stopped gunman says he's traumatized