For the first time, we're getting a jarring inside look at a shooting rampage at a shooting in new jersey. You're about to hear the 911 calls from frantic employees, scrambling to get away from a... See More
For the first time, we're getting a jarring inside look at a shooting rampage at a shooting in new jersey. You're about to hear the 911 calls from frantic employees, scrambling to get away from a crazed gunman, a former co-worker. Here's abc's rob nelson. Reporter: These are the panicked, terrified whispers by those trapped by the gunman's rampage. Please. Please. Reporter: In these newly-released 911 tapes, you can almost feel the fear, as exmarine played gunfire in new jersey, in the early morning HOURS OF AUGUST 31st. Tyler killed two store employees and left others scrambling for their lives and breathlessly pleading for help. Old bridge. Pathmark. They're blowing the place apart. closed to the public at the time. But the gunfire forced frightened overnight employees into storage areas, back rooms and out into the parking lot. We're all scattered all over the commuter parking. Everybody ran out of the exit. Reporter: After reportedly firing as many as 20 shots, tyler eventually turned the gun on himself. Family members say the 23-year-old had been discharged from the marines after battling depression. And that he was still grieving his mother's death. The 911 calls also shed light on his mood earlier that night. He seemed very angry tonight. He didn't say anything to me. He walked right past me. Reporter: The call captured the fear of those forced to run and hide. He can find me. He can find me. Reporter: Tyler's two victims were 18-year-old, a recent high school graduate. And 24-year-old brian green. Each died of a single gunshot. Back in 2009, in a tweet, tyler wrote, quote, is it normal to want to kill all of your co-workers. Maybe, but I'm actually in a position where I can. Chilling stuff here. Dan and bianna? Happens way too much in this country. Rob, thank you very much.
This transcript has been automatically generated and may not be 100% accurate.