WASHINGTON — Police in Prince George's County are asking for the public's help after a man was found shot dead. The Prince George's County Police Department said the shooting happened in Walker Mill, Maryland, late Friday night. Police say an adult male was found shot to death in the area of Addison Road South and Wilburn Drive at around 11:25 p.m. on Friday. The call originated as a welfare check, according to a tweet from the police department.