On this day in 1888, the "From Hell" letter was mailed to the head of the Whitechapel Vigilance Committee, George Lusk.  It contained half a human kidney.

The letter read:

From hell
Mr Lusk,
Sor
I send you half the Kidne I took from one women prasarved it for you tother piece I fried and ate it was very nise. I may send you the bloody knif that took it out if you only wate a whil longer
signed
Catch me when you can Mishter Lusk