Add Yahoo as a preferred source to see more of our stories on Google. BALTIMORE, Md. (DC News Now) — An arrest has been made in the murder of an off-duty DC police officer. 40-year-old Tony Mason Jr.

Investigators believe they solved the “painful mystery” of who killed an off-duty Washington, DC, cop while he sat in his parked car with his date — a case that sat cold for nearly seven years.

DENTON (CBSDFW.COM) — A man was found shot several times in a Denton apartment on September 26, now the person police say is responsible is in custody. Denton police arrested Tony Mason in connection ...

For seven years, the killing of D.C. police Sgt. Tony Mason Jr. had been a mystery. Mason was sitting in his car in Baltimore while on a date when two men pulled up and fired at the off-duty officer — ...