The reference material for this story was drawn from the following sources:
The "Sacramento Bee" news site — www.sacbee.com
Gold Sea — Tea Features web site — www.tmiweb.com/features.html
"Justice Denied — The Ng Case, The Most Famous and Expensive Murder Case in History" — Joseph Harrington and Robert Burger. — Plenum Trade, Plenum Publishing Corporation, New York.
"The New Encyclopedia of Serial Killers" — Brian Lane and Wilfred Gregg. — Hodder Headline Publishing, London.
"Overkill — Mass Murder and Serial Killing Exposed" — James Alan Fox and Jack Levin. — Dell Books — Bantam Doubleday Publishing, New York.
"Journey Into Darkness" — John Douglas and Mark Olshaker — Arrow Books, Random House, London.
"A Fate Better than Death" — Time Magazine Law Article — March 4, 1991.
"Crime — An Encyclopedia" — Oliver Cyriax — Andre Deutsch Ltd. London



