Show NO CLUE IN LAKE COMO MURDER MYSTERY WASHINGTON June Junc 17 Although 1 Although h hEmb Emb Leishman under Instruction from rom the state slate department is prosecuting with the greatest energy the investigation Into the mysterious murder of or Mrs Porter Perler Por Per ter ler Charlton In Italy he has as yet et been unable to obtain nn any tangible clue either as ns to the perpetrator p or the whereabouts of or Porter CharI Charlton ton Ho Ile has reported by b- cable to the state department that thal there have bc been n no Important developments de In tho the case |