Transcript for Chilling New Details About Deadly Kansas Office Shooting
That horrific workplace shooting in Kansas the gunman's own video discovered on his FaceBook page showing an automatic weapons. And terror at the factory when he came back to work three people killed more than a dozen hurt. And that told could have been much higher at work for a hero police chief the first on the scene. ABC's claims and L is there tonight with the notice the gunman received just before the shootings. In this clip posted to FaceBook last September. 38 year old Cedric Ford is firing an AK style rifle the same type sources say he used to gun down his co workers late yesterday at this Kansas lawn more factory. It began at 4:57 PM police getting calls about a gunman randomly shooting a driver in the shoulder. Not far away shooting another stealing his car. By 504 PM Ford is pulling into the excel lot six miles away shooting one person outside inside fourteen more. You were getting bush trampled me it was just everyone's trying to get out of the shooting three excel employees are killed Renee Benjamin Robinson now ski and Josh Hague be. At 506 the first help arrives it is Heston as police chief Doug Schroeder racing inside to confront Ford in a one on one gun battle by 520 for the shootout is over Ford he's dead Sargent Chris Carter says what his boss did saved a lot of lives. If there's gunfire we get it again part we have stop it you're by yourself you're by yourself. SATA hard instinctive to fight don't mean most of us want to point from the no absolutely not we will run towards against what. What caused Ford to snap. Police say just ninety minutes before the Rampage Ford was served at work with a court order to stay away from an ex girlfriend who alleges he was a violently abusive. She wrote he is in desperate need of medical and psychological help. Today the president made yet another call to community now morning. The real tragedy. Is the degree to which. This has become routine. And David right now the factory here behind me is still shut down for the investigation. And the local sheriff here is praising that police chief saying he is a hero hating not acted when he did the death poll would have certainly been much worse David.
This transcript has been automatically generated and may not be 100% accurate.