The "Dear Boss" Letters

During the time that the murders were happening in Whitechapel. A series of letters were received by various news agencies and some of the investigators involved in the case. Posted below are the three letters researchers believe were most likely written by the killer.

"Dear Boss" Letter : Received Sept. 27, 1888

 

"Saucy Jack" Postcard: Received Oct. 1, 1888

 

"From Hell" Letter: Received Oct. 16, 1888 with a small piece of kidney