他在黑暗中默默告密，揭示了隐藏的真相与阴谋。夏季乳突图

　　A series of mysterious murders, committed by the poison of a black Mamba, puts London in distress. Scotland Yard's Superintendent Elford suspects that the "Squeaker" is behind the murders - the mysterious stranger, the underworld is afraid of and is unsuccessfully hunted by Scotland Yard. The clever mugger grabs his share of each robbery's loot, in return for not reporting the ... (展开全部)