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Judge Weighs Evidence and Dismissal Motions in San Diego Jail Deaths Lawsuit

The outcome will decide whether proposed reforms covering staffing, equipment, mental health services proceed to trial.

San Diego County Jail.
Attorney Gay Crosthwait Grunfeld speaks at a press conference outside the Federal Courthouse in downtown San Diego on Thursday, July 24, 2025. (Photo by Sandy Huffaker for The San Diego Union-Tribune)

Overview

  • The class-action suit stems from a 2022 state audit documenting 185 deaths from 2006 to 2020 and alleges chronic understaffing, broken equipment and flawed inmate classification drove a high in-custody fatality rate.
  • County attorneys asked Judge Battaglia to throw out most claims, arguing that recent improvements have addressed medical care, safety protocols and housing assignments, while preserving the mental health care allegation.
  • Plaintiffs moved to disqualify six of the county’s expert witnesses, focusing scrutiny on Dr. Joseph Penn’s methodology after he reused material from a prior case deemed flawed by another federal judge.
  • New sworn statements from inmates described the 2025 death of Corey Dean in isolation, highlighting alleged neglect of people in acute psychosis and underscoring calls for mental health reform.
  • Judge Battaglia took the expert and dismissal motions under submission on July 24–25 and pledged a written ruling soon, setting the stage for a multi-month trial over systemic jail reforms.