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Media ID: 07-045

Contact: Lt Eric Burnett 240-773-5030 or Lucille Baur240-773-5030

Additional Details in Officer-Involved Shooting in Burtonsville

Update in Officer Involved Shooting




Detectives from the Montgomery County Police Major Crimes Division – Homicide/Sex Section and the Office of Internal Affairs are continuing to investigate the shooting incident that occurred Friday, January 19, in Burtonsville.

David Lee Cao, age 17, of the 3700 block of Stepping Stone Lane in Burtonsville, was charged as an adult with distribution of a non-controlled dangerous substance (CDS) purported to be CDS - PCP, first-degree assault, attempted murder, and use of a handgun in the commission of a crime of violence. He is currently being held at the Montgomery County Detention Center on $5 million dollars bond. Additional charges are anticipated.

The Montgomery County Police officer involved in the shooting of the other suspect is Special Investigations Division Detective G. P. Ryan, who is also a member of the department’s de-centralized Special Weapons and Tactical (SWAT) team. He has been with the department for twelve and a half years. He was serving in a back-up position during the undercover narcotics operation and responded after Detective D. H. Oaks was shot by Timberlake. As is the standard procedure after any police-involved shooting, he has been placed on administrative leave.

Further details in reference to the shooting of the suspect will be released when they become available as the investigation progresses.

It was at 2:04 p.m. Friday, January 19, that 3rd District officers responded to a call for “officer needs assistance” at the Greencastle Park-and-Ride parking lot at Turbridge Drive and Greencastle Road.

Officers from the Montgomery County Police Special Investigations Division were at that location conducting an on-going undercover narcotics operation. Detective D. H. Oaks, had made arrangements to meet with a subject known to him as David Lee Cao, in order to purchase PCP. Detective Oaks had previously met with and purchased a substance that Cao had indicated was PCP approximately one week ago. Cao arrived at the prearranged location in the parking lot with another male who was not known to Oaks. Both males entered Detective Oaks vehicle. 

A verbal argument ensued between the suspects and Oaks pertaining to the authenticity of the drug. Cao told Oaks that his friend was armed. That suspect produced a firearm, and a physical struggle ensued between Oaks and both suspects. Oaks was shot twice by the unknown suspect causing wounds in his arm, shoulder, ear, and head.
The unknown suspect, who was later identified at Marquies Dajour Timberlake, age 16, of the 14200 block of Angelton Terrace in Burtonsville, was preliminarily assessed to have been shot by police in his upper torso, prior to being taken into custody. He was transported by helicopter to an area hospital where he was pronounced dead.

Oaks managed to drive his car from the parking lot out onto the street where he was able to get police and medical assistance. He was transported by helicopter to an area hospital where it was determined that he had sustained non-life-threatening injuries. Oaks, who has been with the department for six and a half years, was released from the hospital and continues to recover from his injuries.

After a foot pursuit at the scene, Cao was taken into police custody, arrested, and later charged.

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