Aileen Carol Wuornos was a female serial killer who was executed via lethal injection by the state of Florida on October 9, 2002. 

Hair from the head of Aileen Wuornos enclosed in the original envelope written and sealed by Wuornos.
She has written on the front, "My hair 10-5-92.  Bangs cut with razor."

Aileen Wuornos Hair From Her Head in Sealed Envelope