Now Playing: Hamas Got A Rating from BBB

Now Playing: BBB's Steve Cox Talks to Brian Ross

Now Playing: What's in the WikiLeaks DNC Recordings

Now Playing: Who's Behind Massive DNC Email Hack?

Now Playing: GOP Fundraisers, Short on Cash, Court 'Whales'

Now Playing: First responders to Pulse shooting describe eerie scene inside club

Now Playing: New body cam footage shows officers entering Pulse nightclub

Now Playing: Newly released footage from Pulse shows officers' first moments on the scene

Now Playing: Brian Ross' 'View' of Osama Bin Laden's Death

Now Playing: TaxMasters Caught on Tape

Now Playing: Taliban Prisoners Escape Through Tunnel

Now Playing: Mutassim Gadhafi Defiant Before Death

Now Playing: Al Qaeda Targeting London?

Now Playing: American Jihadist Martyr Rap

Now Playing: Pakistan Under Scrutiny

Now Playing: Iran Defector: 'I Will Return to Iran'

Now Playing: Iran Nuke Defector: 'I Am In Danger'

Now Playing: Tim Hetherington: 1970-2011

Now Playing: Iran 'Directed' D.C. Terror Plot, U.S. Says

Now Playing: Sebastian Junger on Tim Hetherington