A Crofton man was arrested for impersonating a police officer after he pulled over an actual off-duty Capitol Heights police officer Wednesday afternoon in Upper Marlboro. Prince George’s County Police say 29-year-old Anthony Kenneth Mastrogiovanni, of the 900 block of Eastham Court, was driving a white pickup truck on southbound Route 301 when he attempted to stop the Capitol Height Police Officer in his personal vehicle around 4:09 p.m.