We heard crucial testimony for the defense inside the Carroll County Courthouse on Monday. We learned more about Richard Allen's mental state while he's been in prison, as well as firsthand accounts from his own family in Delphi. First to take the stand Monday was a neuropsychologist, Dr. Polly Westcott. Westcott said she met with Allen in prison to do a series of psychological exams, and after reviewing those exams, prison videos, phone calls and medical reports, she determined Allen suffered from major depressive disorder and psychosis when he confessed to killing the girls. She also determined he was not faking or exaggerating his mental health. That contradicts the most damaging evidence against Allen so far — his recorded phone call confessions to killing Abby Williams and Libby German in February 2017. Jurors also watched two videos that showed Allen inside his prison cell. A witness said it showed Allen eating his own feces and banging his head against the wall of his cell. The defense is trying to prove Allen's mental health was deteriorating, driving him to make false confessions. The state claims the videos were used to get sympathy from the jury. MORE: https://www.wthr.com/article/news/crime/delphi-girls-murdered/delphi-murders-trial-day-15-richard-allen-prosecution-state-defense-case-libby-german-abby-williams-carroll-county-indiana/531-555f3bd3-721d-41a0-8543-7f66405f8c55