Dossier
David Allen
Coverage of David Allen in the Nexus archive.
- How we reported on undercover police operations in California jails
CalMatters investigated Perkins operations, a controversial law enforcement tactic in California jails where undercover agents pose as inmates to extract incriminating statements from suspects. David Allen, who invoked his right to silence, was convicted based on statements from such an operation and is challenging his conviction in the California Supreme Court.