Baltimore April 17, 2024 11:54 am Suspect arrested in 2017 killing of off-duty DC officer, sources say Prosecutors are expected to announce an arrest in the 2017 West Baltimore killing of off-duty D.C. police Sgt. Tony Mason Jr., sources tell News4. Here’s brief info. Local 0:36 1 dead, 2 hurt in shooting near DC's Fort Dupont Park 2:59 1 man dead, 1 man hurt in Centreville shooting: police 2:20 NTSB report reveals details about moments leading up to Key Bridge collapse 22:10 Voters head to the polls for Maryland primary: The News4 Rundown 2:27 A cyberattack temporarily shut down Metro's website last week