Orlando gunman bought 3 plane tickets day before attack
The Orlando gunman bought three plane tickets for him, his wife and their child to travel to San Francisco in July. Investigators don't know why he bought them if he was planning the attack. CNN's Evan Perez reports.
01:47 - Source: CNN
Who is the Orlando gunman? 19 videos
In this undated photo recived by AFP on June 12, 2016, shows Omar Mateen, 29, a US citizen of Afghani descent from Port St. Lucie, Florida, from his MYSPACE.COM page, who has been named as the gunman in the mass shootings at the Pulse nightclub in Orlando, Florida
Orlando gunman bought 3 plane tickets day before attack
01:47
Now playing
- Source: CNN
Orlando nightclub shooter Omar Mir Seddique Mateen poses with his wife, Noor Salman, in a family photo posted online.
Source: Orlando shooter texted wife during attack
02:44
Now playing
- Source: CNN
orlando shooter moscque bruer orig _00012013.jpg
Inside Orlando shooter's mosque
01:50
Now playing
- Source: CNN
orlando shooter omar mateen warning signs todd dnt tsr_00002116.jpg
Files: Mateen disciplined 31 times in elementary school
03:41
Now playing
- Source: CNN
social media violence paul cruikshank orig_00002602.jpg
The social voice of violence
01:28
Now playing
- Source: CNN
erin bts omar mateen big fix documentary
New video of Orlando shooter emerges
01:50
Now playing
- Source: CNN
Ex wife of Orlando gunman speaks out sot_00004712.jpg
Ex-wife of gunman details violent marriage
01:35
Now playing
- Source: CNN
orlando gunman radicalized online todd pkg_00005126.jpg
FBI: Orlando gunman radicalized online
04:18
Now playing
- Source: CNN
omar mateen orlando shooters wife griffin dnt tsr_00021727.jpg
Did Orlando shooter's wife know about plot?
03:03
Now playing
- Source: CNN
Univision reporter Juan Carlos Aguiar goes inside the apartment of Omar Mateen, who killed 49 people at Pulse nightclub in Orlando.
Inside Omar Mateen's apartment
00:58
Now playing
- Source: Univision
was orlando shooter omar matten gay todd dnt tsr_00020715.jpg
Was the Orlando shooter gay?
01:54
Now playing
- Source: CNN
Residents of Orlando light candles during the first official vigil in the wake of the deadly attack at Pulse Orlando.
Orlando shooter cased Disney and nightclub
01:22
Now playing
- Source: CNN
performer says shooter frequented pulse cooper phoner_00020113.jpg
'Pulse' performer says shooter frequented the club
02:15
Now playing
- Source: CNN
Police and investigators work near the area of the mass shooting at the Pulse nightclub on in Orlando, Florida on June 12, 2016.
A somber President Barack Obama  expressed grief and outrage at the "horrific massacre" of 50 late-night revelers at an Orlando gay club, branding it an act of terror and hate. / AFP / Mandel Ngan        (Photo credit should read MANDEL NGAN/AFP/Getty Images)
Reports: Orlando gunman visited nightclub several times
02:53
Now playing
- Source: CNN
fbi comey orlando shooter omar mateen previous investigation sot legal view_00021125.jpg
FBI: Shooter had been investigated
02:42
Now playing
- Source: CNN
orlando shooting father of shooter speaks fox35 bts_00000000.jpg
Shooter's father: Islam had nothing to do with this
01:22
Now playing
- Source: Fox 35 Orlando
Orlando shooting gunman ex wife presser bts_00002018.jpg
Ex-wife of Orlando shooter speaks out
01:09
Now playing
- Source: CNN
An image taken from Omar Mateen's Myspace page.  Law enforcement sources identified Mateen as the shooter in the Orlando terror attack.
Gunman called 911, claimed allegiance to ISIS
02:21
Now playing
- Source: CNN
The Orlando Police Department released this photo of Omar Mateen, the person identified as the shooter in the Orlando terror attack.
Officials: FBI had investigated Orlando gunman
01:23
Now playing
- Source: CNN