Serial robber terrorised bookies with walking stick

A robber who carried out a series of betting shop raids armed with a walking stick is facing years behind bars. Brett Mullan, 51, struck five times in less than three weeks at bookies across south London. Mullan pretended he was armed with a shotgun while brandishing what turned out to be a collapsible walking stick. The robber made off with £2,780 after he terrorised cashiers at bookmakers in Sutton High Street, Lee, South Norwood High Street and Crayford, between…