BALTIMORE, Maryland — All 4 teenagers sought by police after the killing of a Baltimore County police officer Monday are in custody.

Dawnta Harris, 16, was charged as an adult with first-degree murder in the death of Officer First Class Amy Caprio, charging documents state. The 3 teenage males were also taken into custody, police said Tuesday morning.

Caprio was responding around 2 p.m. to a call for a suspicious vehicle on Linwen Way in Perry Hall. Charging documents state that a 911 caller reported a suspicious vehicle in the area.

Charging documents said Harris admitted that he “drove at the officer” when she told him to get out of the Jeep while his associates burglarized a house.

Caprio was critically injured and was taken to MedStar Franklin Square Medical Center, where she died around 2:50 p.m.

The Jeep was found abandoned in the 9500 block of Dawnvale Road, close to where Caprio was struck, charging documents state. The teenager was later identified as Harris, charging documents state.

Harris is being held at the Baltimore County Department of Corrections and was ordered held without bail.

At the time of the killing of Caprio, Harris was AWOL from house arrest in a juvenile system in Baltimore. He has been arrested four times involving car theft over about five months. He’s accused of stealing a car while in a program in Montgomery County in March.

Police said Caprio, 29, would have marked 4 years with the Baltimore County Police Department in July. She is the 10th officer and the first woman to die in the line of duty in Baltimore County police history.

Schools in the area were placed on alert status for hours Monday afternoon before they were dismissed in the evening. Schools opened as scheduled Tuesday morning.