By JULIE E. GREENE and BRENDAN KIRBY
HALFWAY - An off-duty state trooper spotted a car in Frederick, Md., Monday morning that led authorities to two men they believe may have robbed the American Trust bank on Virginia Avenue earlier in the day, according to the Washington County Sheriff's Department.
Michael Scott O'Brien, 19, and Robert Hines, 22, were arrested less than an hour after the crime, deputies said.
Both were charged with robbery, felony theft, conspiracy to commit robbery and conspiracy to commit theft. O"Brien also was charged with second degree assault.
Sgt. Randy Wilkinson, who heads the department's criminal investigation unit, said a man walked into the bank at 17345 Virginia Ave. shortly after 9:10 a.m. and demanded money.