Undercover Coppers: Drugs Bust

As the country's biggest criminal gangs work to cover their tracks, British police use covert surveillance operations to stop them. In North Wales, police are on the trail of a mafia boss an... Read allAs the country's biggest criminal gangs work to cover their tracks, British police use covert surveillance operations to stop them. In North Wales, police are on the trail of a mafia boss and in Cumbria, they track three former prisoners.As the country's biggest criminal gangs work to cover their tracks, British police use covert surveillance operations to stop them. In North Wales, police are on the trail of a mafia boss and in Cumbria, they track three former prisoners.