- Lindsay Clancy didn't appreciate the "wrongfulness" of killing her three children because of her mental health issues, a psychologist testifying for the defense said at her murder trial Wednesday.

The testimony of Dr. Paul Zeizel is the strongest evidence yet to support the defense contentions that Clancy should not be held legally responsible for murder because she has bipolar disorder and was in the grip of a rare mental illness called postpartum psychosis when she killed her three children before trying to kill herself.

Zeizel began seeing Clancy as a patient at a hospital after the deaths.