Clifford Robert Olson deceased Canadian child serial killer. Authorities in Canada agreed to and paid $10,000 to show them where each of his unknown victims was buried.
Two page typed letter dated June 29, 1990. with a newspaper clipping taped by Olson to the back of the first page. Hand signed, "Enclosed Olson Murders Your Friend, Clifford."
Includes the original prison mailed envelope postmarked 1990.