At least that is what Megan Huntsman’s mugger tells me:
There has got to be serious human psychology behind anyone who engages in filicide and sure enough there is lots of information out there on the topic. Here is a three pack with the first link especially well timed:
Analysis: 32 years of U.S. filicide arrests ~ David Orenstein, Brown University
An Overview of Filicide ~ Dr. Sara West, National Institute of Health
Filicide-suicide: common factors in parents who kill their children and themselves ~ Dr. Susan Hatters, University Hospitals of Cleveland
Huntsman’s defense at least has some place to start.