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Affidavit: Suspects in Hinkley High School shooting fired from windows as truck drove through school parking lot

Larry Jefferson, Dalen Brewer, Diego Flores and Alejandro Hernandez each face a number of charges, according to the district attorney's office.

AURORA, Colo. — Four suspects arrested in the Nov. 19 shooting in the parking lot of Hinkley High School in Aurora have been charged as adults, the 18th Judicial District Attorney's Office. 

Three teenagers were injured in the shooting that started as a fight in the parking lot during lunch and led to several people firing shots out of the windows of a pickup truck as they drove through the parking lot, according to police. 

The suspects in the shooting were identified as Larry Jefferson, Dalen Brewer and Diego Flores, all 16 years old, and Alejandro Carillo Hernandez, who is 17 years old. 

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The school's security cameras captured what led up to the shooting. The video was detailed in an affidavit released by the district attorney's office on Tuesday.

Just before noon, the video shows a white truck pulling into the parking lot of the school and stopping near a darker-colored sedan, according to the affidavit. The driver of that truck was later identified as Flores.

Several people got out of both vehicles, and the affidavit says the group walked into the parking lot of the school to have an argument with several others who were already in the parking lot.

A couple of minutes later, the affidavit says a 17-year-old identified as Hernandez got out of the truck, pulled out a handgun and began firing at three other teens "seemingly without provocation."

The video appears to show Hernandez run from the area, the affidavit says. 

Credit: Aurora Police Department
Security video that appears to show a teenagers aiming a handgun at three students standing in the parking lot.

At the time of the shooting there were several other students in the parking lot, the affidavit says.

Flores ran back to the truck and jumped in the back, according to the affidavit.

As the truck drove through the parking lot, the affidavit says, security video showed the truck slow down as both Brewer, who was driving, and Jefferson, who was a passenger, were shooting handguns out the window.

Credit: Aurora Police Department
Security image that appears to show a suspect aiming a handgun out of the truck window as students run.

Two Aurora Public School (APS) officers, Ronald Banks and Darius Walls, were in a marked vehicle in the parking lot of the school when they heard multiple shots fired, according to the affidavit.

Banks exited the vehicle and took cover behind the front of the car, according to the affidavit. Banks was unarmed because he had not completed all of the training required to legally carry his duty weapon, the affidavit says.

Walls fired his weapon at the white truck, the affidavit says.

Credit: Aurora Police
Security image shows APS Officer Walls firing at the white truck.

One of the injured was a 17-year-old girl who told police she had just returned from lunch when she heard the shooting, and then saw the truck drive near where she was hanging out, according to the affidavit.

Another student who was shot told police he was having lunch in a friend's car when he heard yelling and assumed there was going to be a fight. He was heading to the front door of the school when he was shot in the back, the affidavit says.

The white truck was spotted at the entrance to University Hospital with a gunshot in the windshield around 12:10 p.m., the affidavit says. 

At the time it was found, Flores and another teen who had been shot in the abdomen were in the truck, according to the affidavit.

The injured teen told police he heard gunshots and got back into the truck and was then shot, according to the affidavit.

The affidavit says that Flores told police that Jefferson, Flores and Brewer got a call from a friend that believed he was about to be "jumped" by rival gang members who were at Hinkley High School. The teen who was injured also told police he had "a long-time beef" with the rival gang and they had been planning to fight off-campus that day.

Jefferson, Brewer and Hernandez were armed with handguns in case the rival gang had guns too, according to the affidavit.

Flores told police it was his plan to have Jefferson and Brewer back them up with guns because "it's the way it is in this town," according to the affidavit.

Hernandez,17, has been charged with:

  • Four counts of attempted first-degree murder 
  • One count of first-degree assault 
  • One count of second-degree assault 
  • One count of possession of a weapon on school grounds
  • Two crime-of-violence sentence enhancers
Credit: 18th Judicial District Attorney's Office
Larry Jefferson

Jefferson, 16, has been charged with:

  • Four counts of attempted first-degree murder
  • First-degree assault
  • Second-degree assault
  • Using a prohibited large-capacity magazine during a crime
  • Possession of a weapon on school grounds
  • Two crime-of-violence sentence enhancers
Credit: 18th Judicial District Attorney's Office
Dalen Brewer

Brewer, 16, has been charged with:

  • Four counts of attempted first-degree murder
  • First-degree assault
  • Second-degree assault 
  • Possession of a weapon on school grounds
  • Two crime-of-violence sentence enhancers

Flores, 16, has been charged with:

  • Four counts of attempted first-degree murder
  • First-degree assault
  • Second-degree assault 
  • Possession of a weapon on school grounds 
  • Two crime-of-violence sentence enhancers

Photos of Jefferson and Brewer were obtained through court records. Photos of Flores and Hernandez have not yet been released.

Brewer and Jefferson are scheduled for a status hearing in the case on Dec. 15, according to the district attorney's office. Flores will have his status hearing on March 7. Hernandez is due in court on Dec. 14. 

The district attorney's office is working with the Aurora Police Department (APD) to investigate the case. Anyone who may have information or who may possess evidence in the case is asked to contact police or Metro Denver Crime Stoppers at 720-913-7867.

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