Robert 'Bob' Berdella, owner of Bob's Bizarre Bazaar in the Westport Flea Market, Kansas City, Missouri was a serial killer dubbed "The Kansas City Butcher" and "The Collector". Kidnapped, tortured, raped and dismembered at least six men between 1984 and 1987.

Original carbon copy receipt for a purchase of a radio dated March 29, 1986 from the Comb Company Shawnee.  Carbon copy of his signature and his phone number appear on the receipt.

Robert Berdella Carbon Copy Radio Receipt