Radio calls give detailed timeline in Parkland school shooting

FILE - In this Feb. 14, 2018 file photo, students hold their hands in the air as they are evacuated by police from Marjory Stoneman Douglas High School in Parkland, Fla., after a shooter opened fire on the campus. A sheriff’s office captain told deputies to form a perimeter instead of confronting the gunman at the high school where several people were killed in a mass shooting, according to documents obtained by the Miami Herald. The newspaper reported late Thursday, March 1, that it had obtained a partial Broward Sheriff’s Office dispatch log, which showed that Capt. Jan Jordan gave the order for deputies to establish a perimeter. (Mike Stocker/South Florida Sun-Sentinel via AP)

The Broward Sheriff’s Office released new insight into the deadly Stoneman Douglas High School shooting on Thursday.

A detailed transcript, including a timeline of events and radio transmission audio clips. It provides the terror and the decision making played out in the tense moments at the school.

The events took place between 2:21 p.m. to 3:35 p.m. on Feb. 14th at Stoneman Douglas High School. The transcripts -- which include security video and dispatch transmission from Coral Springs Fire, Coral Springs Police and BSO -- paints a picture into what the former school resource officer deputy Scot Peterson did after the shooting happened.

Suspect Nikolas Cruz entered the school at 2:21 p.m. and Peterson got on the radio almost two minutes after the first shots were fired.

“Be advised," Peterson said. "We have possible, could be firecrackers, I think we have shots fired. possible shots fired. 1200 building,” Peterson said at 2:23 p.m.

Seconds later, he commands to shut down the perimeter of the school.

“Make sure we get some units over here, I need to shut down Stoneman Douglas, the intersection,” he said.

As the incident commander, it’s unclear why Peterson gave that order.

Coral Springs fire dispatchers got the first 911 call about a shooting a minute after it started.

A responding deputy, from the middle school next door, asked if anyone has a description of the shooter. At this point, other deputies arrive and there is confusion.

It’s now four minutes into the bloodshed, and Peterson repeats: the shots are coming from the 1200 building.

“We’re looking at the 1200 building, its going to be the 300 building, its right off Holmberg Road, by the senior lot,” he said. Peterson then told dispatchers to keep everyone away from the 1200 building, the building where students were laying dead and wounded.

“Broward, Do not approach the 12 or 1300 building, stay at least 500 feet away at this point.," Peterson said at 2:28 p.m.

Dispatch: “Stay away from 12 and 1300 building.”

More deputies arrive as students run for their lives out of the building.

The shooting stopped and video recorded Cruz in a stairwell as he leaves the west side of the building.

Then at 2:33, 12 minutes after those first shots rang out, a perimeter was set up and officers began heading into building 1200 to help the victims.

Coral Springs and BSO’s personnel were not able to community on a common radio channel. Nearly an hour and a half after entering the school, Cruz was finally arrested a few blocks away.

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