retribution?

I understand, as much as anyone, the urge to get back at an ex, maybe even the occasional mean-spirited thought about how to do it. But this strikes me as a little over the top:

Anne Marie, 48, from Grand Rapids, Michigan offered www.craigslist.org users the chance to kill Carol, a 56-year-old woman in California, in a vaguely worded free ad under the category of "Freelance," according to court documents.