Det. Dominick Spinelli recalls the crucial detail he says Stacey Castor let slip during an interview after it was first believed her second husband committed suicide in 2005.
Why did she do it? Forensic psychiatrist Dr. James Knoll on Stacey Castor. April 27, 2009 -- Stacey Castor was convicted of murdering her husband by poisoning him with antifreeze and of attempting to ...