Anatoly Onoprienko, Citizen O

The Encyclopedia of Serial Killers, by Michael Newton December 1999, Facts on File; ISBN: 081603978X

Newspapers

St. PetersburgTimes - Russia

BBC News – United Kingdom

The Day – Ukraine

Guardian Newspapers

The Associated Press

CNN

Internet

Time.com

Death Penalty News

The Millennium Matters

Individuals

Rick Halperin; Chapman Spira & Carson, LLC; and Matt Taibbi.