Delphi murders: Defense experts testify on solitary confinement impact, 'unspent bullet' evidence

DELPHI, Ind. – The defense again focused on Richard Allen’s mental health while in custody and attempted to cast doubt on the state’s key evidence involving the “unspent bullet” found at the crime scene on Day 16 of testimony in the Delphi murders trial.Allen faces four counts of murder in the February 2017 deaths of Abby Williams and Libby German near the Monon High Bridge. State police announced his arrest in October 2022.On Day 15, Allen’s mental health was