The young men were former schoolmates of William Edward Hickman, confessed kidnapper and murderer of Marion Parker, age 12. Both Hale Sparks and Sam Burnham attended Central High School in Kansas City, Missouri, where William Hickman lived prior to Parker's murder. Solomon Laykin attended Los Angeles High School with Hickman when he lived in California. Hickman was sentenced to death after a 13-day trial. He was executed at San Quentin, October 19, 1928.