Crime and Courts 17 hours ago Mother killed by her boyfriend in St. Mary's County A young mother of two was shot and killed in front of her baby daughter by her boyfriend in St. Mary’s County last week. News4’s Darcy Spencer spoke to the victim’s father. Local 0:55 Plan Your Vote: Make your voice heard! 21:34 Dog rescued from rubble after house explosion: The News4 Rundown 3:29 Enrollment of Black men lags at HBCUs, report says 2:19 Domestic violence survivor shares her story 2:29 Reservoir Park opens in Loudoun County