Spencer and Esther Houk
motives/theories regarding murder, J. Spencer Houk, polygraph, police investigation
This document is an internal information report of the Cleveland Police Department submitted by David L Cowles on July 16, 1954. The report discusses the relevant findings from a polygraph given to Spencer Houk regarding the Marilyn Sheppard murder.
Cowles, David L., "Results from polygraph given to Spencer Houk on July 16, 1954 about Marilyn's murder" (1954). Other Suspects. 11.