TALLAHASSEE, Fla. (CNN) — The school resource deputy at Marjory Stoneman Douglas High School waited outside the school building as the shooting unfolded last Wednesday. Scot Peterson, the deputy, never went in after taking a position on the west side of the building, Broward County Sheriff Scott Israel said in a news conference.
Peterson resigned on Thursday after he was suspended without pay by Israel pending an internal investigation into his actions during the Portland, Florida, school shooting that left 17 people dead, Israel said. Peterson was eligible for retirement.
Israel made the decision to suspend Peterson -- who was armed and in uniform at the time of the shooting -- after interviewing the deputy and reviewing footage and witness statements, he said.
"What I saw was a deputy arrive at the west side of building 12, take up a position," Israel said of the video. "And he never went in."
Israel told reporters Peterson should have "[w]ent in. Addressed the killer. Killed the killer." Instead, the deputy waited outside for about four minutes. During that time, Israel said, Peterson got on his radio and took a position where he could see the western entry of the building.
Asked how he felt watching the footage, Israel said: "Devastated. Sick to my stomach. There are no words. These families lost their children. We lost coaches. I've been to the funerals, I've been to the homes where they sit and shiver. I've been to the vigils. It's just -- there are no words."
Israel also said two other deputies have been placed on restrictive duty while the sheriff's office investigates their actions during calls to the gunman's home before the shooting.
Since 2008, he said, the sheriff's office was involved in 23 calls involving either Nikolas Cruz or his brother. During some of the calls -- which were both in person and on the phone -- deputies met with Cruz's mother.
After speaking with the internal affairs department, Israel decided to put the deputies on restrictive duty while his office investigates "whether or not they could have done more, or should have done more," he said.
Security footage was on 20-minute delay during shooting
Officials also reported Thursday that surveillance footage from the school shooting was not shown live, as responding officers initially thought.
According to Coral Springs Police Chief Tony Pustizzi, the footage had been rewound, and police were watching it on a 20-minute delay, leading them to believe the gunman, Nikolas Cruz, was still in the building when he was long gone.
"The delay never put us in a situation where any kids' lives were in danger, any teachers lives were in danger," Pustizzi said at a news conference Thursday afternoon.
When officers arrived on the scene of the shooting, he said, they wanted to gain access to the security footage to learn what happened and where the perpetrator could be.
But last Wednesday the footage was rewound, Pustizzi told reporters. At some point, there was a miscommunication and officers believed they were watching real-time footage.
"The issue was more of a communications failure on who was reviewing the tape, letting our guys know that it was a 20-minute delay in what they were reviewing," Pustizzi said.
The Sun Sentinel first reported the delay in surveillance footage.
The rewound footage did not put any lives in danger, Pustizzi said, but it "did cause some confusion" when officers entered the school.
"At first the the guys are hearing, 'Oh he's on the second floor,'" Pustizzi said in the news conference. "Well it's not true. Because we have people on the second floor, and the people are saying, 'No, he's not on the second floor.'"
The Broward County School district said in a statement that its security system footage could be reviewed in both real-time or be rewound to see events that were previously recorded.
"During the immediate response to the event, the system was being viewed in real-time and the recorded footage was being viewed to retrace the actions of the shooter," the statement said, adding that the district no longer had access to the footage or the server it was stored on because investigating authorities have it.
Gunman was already at Walmart
While the rewound footage might not have increased the number of casualties, it did hamper efforts to locate the gunman.
"Somebody would say, 'He's on the second floor,' and we had guys on the second floor saying, 'We're on the second floor, we don't see him.' That's when we figured out there's a tape delay," Pustizzi told the Sun Sentinel.
According to police scanner traffic from the streaming website Broadcastify, at 2:43 p.m. on February 14, police found someone to give them access to the school's security footage.
"I got a guy here outside the building that can get cameras," says one voice. "We're going to go inside and go get to the cameras."
By 2:54 p.m., police were watching the gunman make his way through the building, according to the dispatch audio. But the suspect had fled the building 26 minutes earlier at 2:28 p.m., according to a preliminary timeline provided by the Broward County Sheriff's Office.
By 2:50 p.m., the suspect had already bought a drink at a Subway restaurant inside a Walmart store and left on foot, four minutes before scanner traffic said the gunman was still on the second floor of the school.
At 3:02 p.m., when the Broward County timeline says Cruz briefly stopped at a nearby McDonald's, an officer says the suspect dropped a bag near a stairwell. Another officer asks if the footage is a recording.
"Yes, sir. It's about a 20-minute delay," the first officer says. "They're following him on video on the camera. They had him exiting the building, running south."
At 3:41 p.m., Cruz was identified and taken into custody.
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