Transcript for Virginia On-Air Shooting: New Details on What Happened
it to social media. All to draw attention to his twisted vendetta. We refuse to grant his wish by playing his videos. He also sent a 23-page suicide message directly to ABC news. Tonight, what we're learning about how his life unraveled. Here's ABC's senior law and justice correspondent Jim Avila. This is my memory of her. When we had our six-month anniversary. She made a scrapbook for me. Reporter: A boyfriend's broken heart. And this small southwestern Virginia town gripped by heartache. When I walk around and would run into Allison or Adam, it was a high point of my day. They always made me smile. Reporter: Two young journalists from CBS affiliate station WDBJ gunned down on live television. The victims at their most vulnerable focused on their live interview when real gunfire, unedited and live. People who come here to say that -- Reporter: The gunman, feet away, lurking. His weapon pointed directly at them, roughly 15 shots. And after the victims fall -- Okay, not sure what happened there -- Reporter: The stunned local anchor, unsure about what just happened -- I heard pow, pow, pow, pow, pow. It did not register that it's gunshots. She's doing a feature story at the Lakes so my mind did not go to that worst case scenario. Reporter: The lives and promising careers of reporter Alison parker, 24, and cameraman Adam ward, 27, cut short. I'm here with Vicki Gardner -- Reporter: The day beginning like most any other. The morning crew, reporter Alison, cameraman Adam ward, doing an interview about tourism with a local official, Vicki Gardner in moneta, Virginia. This freeze frame released by police caught in the dying cameraman's lens, revealing an image of the shooter, quickly identified as Bryce William, the professional name for Vester lee Flanagan ii. Up until about two years ago an on-air reporter at the station. Bryce Williams, WDBJ 7. Reporter: Flanagan fleeing, at large, places a call to ABC news calling himself Bryce, saying that he's just shot two people. ABC immediately contacted authorities and back at the station this solemn announcement. It is my very, very sad duty to report that we have determined through the help of the police and our own employees that Alison and Adam died this morning. Reporter: Vicki Gardner is in the hospital in stable condition. By mid-morning the police in hot pursuit, the shooter on the road east towards the nation's capital. Interstate 66. Weave authorities could catch up Flanagan took to social media, tweeting, I filmed the shooting, see Facebook. And, not stopping there, actually posting his own video of the shooting, rolling as he fires, and sending off to Facebook and Twitter video we will not show here. The sites suspended his account. Flanagan then fled before deputies arrived on the scene. The franklin county sheriff's office with the assistance of the Virginia state police immediately began a search operation in the area to locate the shooting suspects. Reporter: In what appears to be a calculated may nu D maneuver, Flanagan fled in a rented sonic. Virginia state police spotting the suspect's rental car. The suspect refusing to stop. Instead running the vehicle off the road and crashing. A trooper approaches the car. She found Flanagan suffering from a self-inflicted gunshot wound. Flanagan was flown from the scene to a nova Fairfax hospital where he died at approximately 1:30 P.M. Today. Reporter: During his escape from the murder scene, two hours after the shooting, Flanagan sent a fax to ABC news offices in New York from this FedEx location in Roanoke, a 23-page manifesto and suicide letter which ABC news turned over to authorities. In it he identifies himself as Bryce Williams and says god spoke to him. He writes, the church shooting was the tipping point. But my anger has been building steadily. I've been a human powder keg for a while. Just waiting to go boom. He claims to be the victim of racial and sexual harassment and bullying at his old workplace, WDBJ. The photogs were out to get me at WDBJ 7. One went to hr after only working with me one time. And then this. Yes, it will sound like I am angry. I am. And I have every right to be. But when I leave this Earth, the only emotion I want to feel is peace. His former colleagues describe Flanagan as a disturbed and unhappy map. We knew he had anger. We did not know he had violent anger. Bryce Williams, WDBJ 7. Reporter: Here in his reporters reel uploaded to youtube two years ago, Flanagan can be seen holding a gun in a report he had done. He went on and filed a complaint with the equal employment opportunity commission, groundless claims of discrimination, harassment, it was dismissed. Reporter: He says Flanagan began to have aggressive run-ins with colleagues. In February 2013, Flanagan was called into the boss' office and fired due to unsatisfactory job performance and inability to work as a team member. As police escorted him out he threw a cross at a station manager and said, "You're going to need this." Vester? Little Vester? No, I mean -- right now I can't wrap my head around it. It's a nightmare. Reporter: Law enforcement experts say that this was a calculated attack. Watching for the live shot. The fax. The prerented car. All showing sure signs of premeditation. He used the tools of his trade to communicate and to bring greater visibility to his attack. Reporter: Tonight a bomb squad raiding his Roanoke apartment searching for any clues that might be inside. Tonight a spokesman for the shooter's family Reading this statement. It is with heavy hearts and deep sadness we express our deepest condolences to the families of Allison parker and Adam ward. We are also praying for the recovery of Vicki Gardner. Reporter: Invtors looking for a motive have a long road ahead. And the loved ones of Alison and Adam have a somber journey. Today their family and colleagues at WDBJ in mourning. I cannot tell you who much they were loved, Alison and Adam, by the wdbj-7 team. Reporter: Included in that number, ward and parker's significant others. Both were in relationship with co-workers. Ward engaged to a producer who happened to be watching it unfold in the control room. And parker was dating another reporter, Chris Hurst, who posted these moving tributes on Facebook and Twitter. We would always be concerned, texting each other when we got to work safely. She texted me, good night, sweet boy. That was the last I ever heard from her. Reporter: Late this evening Alison's father and boyfriend spoke with Fox News. We can only take some solace in the fact that she had a wonderful life. She was extremely happy. And she loved this guy with all her heart. ? Reporter: And the community itself jolted by what it saw on live TV this morning. An unedited murder. Tonight leaving flowers and praying in front of the TV station many of them woke up with every morning. For "Nightline," I'm Jim Avila in Roanoke, Virginia. A sad footnote, one co-worker at their station tweeting that the wedding dress for cameraman Adam ward's fiancee was just delivered today. Our thoughts are with their grieving families and the WDBJ family.
This transcript has been automatically generated and may not be 100% accurate.