July 20, 2010 7:10 pm Double Mother-Daughter Homicide Suspect Among Worst Criminals: Police Prince George’s County Police DepartmentChief Roberto Hylton calls a man in custody one of the worst criminals in U.S. history. Local 2:29 George Washington University president says pro-Palestinian encampment is ‘unlawful' 0:51 25 arrested in pro-Palestinian protest at UVA 1:42 Man dies after crashing into White House security barrier 1:11 Woman found shot to death inside car in Landover 2:14 ‘She loved to laugh': Family of 3-year-old shot, killed in DC asks for justice