David Brown a California computer genius sentenced to life in prison for brainwashing and convincing his teenage daughter, Cinnamon Brown, to murder his 23 year old wife. Brown began having sex with his wife's sister when she was 11 years old.  While in jail awaiting trial, David Brown attempted to put a hit on prosecutors. David Arnold Brown was the subject of the Ann Rule book If You Really Loved Me as well as a TV docudrama. 
Brown died in prison March 2014.
 
One page handwritten letter hand signed, David. 
Includes the original prison stamped envelope postmarked August 10, 1995 and hand signed, David Brown.