Norfolk prosecutors notified some two dozen alleged victims of accused sexual predator William Sheehan this week that the former Foxborough teacher and Boy Scout leader will not be prosecuted because his advanced dementia makes him unable to stand trial.
The decision, after a psychological examination commissioned by prosecutors, brings an end to the state’s criminal investigation of allegations that date back some four decades.
Sheehan, 74, is now confined in a Florida nursing home. Under the law, defendants must be able to meaningfully participate in their own cases Full story for BostonGlobe.com subscribers.
Michele Morgan Bolton can be reached at firstname.lastname@example.org.