ABC 20/20 recently aired the story of Stacey Castor, of Syracuse New York. She was convicted of killing her second husband, David Castor, by poisoning him with antifreeze.
Castor is suspected of killing her first, Michael Wallace, the same way.
Castor also attempted to murder her daughter, Ashley Wallace.
Convicted killer Stacey Castor testifies in her own appeal, on Syracuse.com.
Story suggested by a Lovefraud reader.