WATCH: FBI probing possible civil rights violations in pair of violent arrests in Ariz.

WATCH: FBI probing possible civil rights violations in pair of violent arrests in Ariz.
  • Now Playing: Man caught impersonating police officer in Arizona



  • Now Playing: Mourners line streets, highways for say farewell to McCain



  • Now Playing: Multiple fatalities confirmed after bus crashes on NM highway



  • Now Playing: Surprise! 10-year-old learns she’s being adopted for her birthday



  • Now Playing: Drivers making Labor Day getaway will feel some pain at the pump



  • Now Playing: FBI probing possible civil rights violations in pair of violent arrests in Ariz.



  • Now Playing: Search for woman and daughter who disappeared on Calif. camping trip



  • Now Playing: Longtime dispute between NH small-town neighbors takes deadly turn



  • Now Playing: 23-year-old pretended to be a doctor at children’s hospital: Authorities



  • Now Playing: Trump team sought to buy bad stories from Enquirer: Report



  • Now Playing: Hurricane season heats up as US heads into Labor Day weekend



  • Now Playing: 10 workers buried after explosion at Chicago water plant



  • Now Playing: Couple ordered to hand over remainder of $400K they raised for a homeless veteran



  • Now Playing: Anti-Semitic vandal attacked map software, labeled New York City with slur



  • Now Playing: Bus crash in New Mexico



  • Now Playing: Multiple fatalities reported in New Mexico bus crash



  • Now Playing: Man invokes ‘enemy of the people’ in threats of violence against newspaper



  • Now Playing: Grandmother arrested for homicide after grandson dies in hot car



  • Now Playing: ‘GMA’ Hot List: Woman loses 55 pounds to donate kidney to dad



  • Now Playing: Large lizard is keeping Florida trappers on their toes



  • Read More