Dennis Lynn Rader is an American serial killer known as BTK, the BTK Strangler or the BTK Killer. Between 1974 and 1991, BTK killed ten people in Wichita and Park City, Kansas. Rader pleaded guilty and was sentenced to to 10 consecutive life sentences.

Valentine's Day card written by a woman who is a personal friend of BTK. She has written a note on the inside and hand signed her first name.
 
Rader has written the date which he received the card on the inside.