Lindsay Clancy Trial: Reddington Rips Into Prosecution's Expert on Cross

Lindsay Clancy, 34, of Duxbury, Massachusetts, is on trial in Plymouth Superior Court on three counts of murder and three counts of strangulation, accused of killing her children — Cora, 5, Dawson, 3, and Callan, 7 months — with exercise resistance bands inside the family's Summer Street home on January 24, 2023. She's pleaded not guilty, and attorney Kevin Reddington is running an insanity defense built on severe postpartum psychosis and psychiatric overmedication.

If direct examination was about Dr. Kirk Heilbrun's conclusions, cross was about his credentials — and Reddington went at them hard. He got Heilbrun to admit his evaluation of Clancy happened roughly three years after the killings, and got him to concede on the record that earlier is better when it comes to assessing someone's mental state after an offense. Not exactly a ringing endorsement of his own methodology. Heilbrun also testified he'd treated four or five women who'd killed their children — about 44 years ago. Reddington didn't let that sit quietly either.

Then came the CV. Reddington walked through roughly 70 pages of it and pointed out what wasn't there: no articles on pregnancy or postpartum depression, no postpartum psychosis research — just juveniles, prisoner reintegration, and sexual abuse work, plus a career mostly spent consulting for prosecutors and corrections. Heilbrun admitted he's coached both prosecutors and defense attorneys on presenting expert witnesses, but Reddington made sure jurors knew which side he's usually on. He also confirmed he'd never met co-evaluator Avram Mack in person until Tewksbury Hospital, and that his total time with Clancy came to 10.5 hours across three days.

Clancy allegedly attempted suicide afterward by jumping from a second-story window and is now paralyzed from the waist down. Husband Patrick Clancy, running errands at the time, has since relocated to Manhattan.

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