The alarms terrified employees at the Bethesda installation and led to a massive police response.
An arrest has been made in the shooting death of a Maryland real estate salesman in a model home.
Damascus High junior varsity football players face additional conspiracy charges.
The facility’s gates had been closed after an initial report Tuesday of a possible shooter prompted a police response.
Four Maryland football players, all 15, made their first court appearances on Monday.
A caregiver who found the bodies called Montgomery County police Friday.
The charges stem from a reported incident involving JV football players at Damascus High School.
The search for the cause continues. Authorities say the house had no working smoke detectors.
Intruders tracked the manager of a check-cashing business to her home in an effort to break in to the business.
Terry, 17, was removed from life support Sunday. He was involved in a fight Jan. 29 before collapsing and being hospitalized, but charges may not be filed.