I Know Who You Are!

Dr. Simon has received a series of anonymous letters threatening him with murder. Eager to find out who is behind the threats he enlists the help of Detective Smith to ferret out the would b... Read allDr. Simon has received a series of anonymous letters threatening him with murder. Eager to find out who is behind the threats he enlists the help of Detective Smith to ferret out the would be killer.Dr. Simon has received a series of anonymous letters threatening him with murder. Eager to find out who is behind the threats he enlists the help of Detective Smith to ferret out the would be killer.