WATCH: Images appear to challenge Saudi narrative of journalist's killing

WATCH: Images appear to challenge Saudi narrative of journalist's killing
  • Now Playing: Saudi Arabia finally acknowledges death of Jamal Khashoggi



  • Now Playing: Saudi Arabia announces Khashoggi was killed during a ‘fistfight’



  • Now Playing: Images appear to challenge Saudi narrative of journalist’s killing



  • Now Playing: Video: Friends seen celebrating in Costa Rica before deadly capsizing



  • Now Playing: Trump: Migrant caravan traveling toward US ‘national emergency’



  • Now Playing: Migrant caravan headed to US grows to 7,200: UN official



  • Now Playing: Former professional surfer head-butts shark to possibly save life



  • Now Playing: The president calls migrant caravan a national emergency



  • Now Playing: Harry and Meghan visit Queensland’s Fear Island



  • Now Playing: Caravan of thousands of migrants push deeper into Mexico



  • Now Playing: President calls out Saudis for ‘deception’ and ‘lies’



  • Now Playing: Catrinas Parade, running of the clowns, field of fireweed: World in Photos



  • Now Playing: Saudi Arabia’s claim about assassinated journalist changes again



  • Now Playing: Prince Harry hopes pregnant wife Meghan Markle has a girl



  • Now Playing: Inside the caravan of migrants en route to US border



  • Now Playing: Saudi officials change explanation of Khashoggi’s death



  • Now Playing: 5 dead, including 4 Americans, in Costa Rica rafting accident



  • Now Playing: Thousands of migrants head toward the U.S.-Mexico border



  • Now Playing: Saudi Arabia faces backlash for the death of Jamal Khashoggi



  • Read More