Sources for this feature article are as follows:
Geberth, Vernon J. "Homosexual Serial Murder Investigation," Practical Homicide Investigation Volume 43, No. 6, June 1995.
Gurwell, John K. Mass Murder in Houston. Cordovan Press, Houston. 1974
Olsen, Jack, The Man with the Candy. Simon and Schuster. 1974.
Archives of the Houston Chronicle and Houston Post.