Fairfax County Police Major Crimes detectives were assisting another jurisdiction in looking for a missing teenage girl when they discovered human remains on Feb. 11 in the 7100 block of Wimsatt Road in Springfield.

The search began, police said, at Lake Accotink Park, 7500 Lake Accotink Park Road in Springfield, and expanded to the nearby area.

On Feb. 13, FCPD released the results of an autopsy of the body, believed to be that of Damaris A. Reyes Rivas, 15, of Gaithersburg, Md. The Medical Examiner’s office ruled the death a homicide; the victim had suffered upper body trauma, a statement said.

Reyes Rivas was reported missing from Montgomery County in Maryland on Dec. 10, 2016. Though police said there are many leads and that investigation is still ongoing.

Anyone with information is asked to contact the Fairfax County police at 703-691-2131, or reach out to can Crime Solvers electronically by visiting www.fairfaxcrimesolvers.org, or text-a-tip by texting “TIP187” plus your message to CRIMES(274637).