The white friar

"Alexander Kielmann pursued his nefarious activities with impunity...blackmail, burglary, even murder. At Scotland Yard there were suspicions, but no proof available. then Kielmann received a letter : You have ruined lives, but death is waiting for you... Your associates will suffer... They will receive their just deserts,you yourself being reserved for the last. Iam death, and I enclose my card." A visiting card showed a drawing of a monk in wh...