Middlesex County prosecutors have turned over information in more than 100 criminal cases about an ongoing probe into how authorities handled a Massachusetts State Police sergeant’s involvement in a 2023 fatal crash, according to court filings, representing a dramatic escalation of the scope of the scandal.
Critical details about the December 2023 crash involving Sgt. Scott Quigley — namely that testing showed he had a blood-alcohol content above the legal limit when he crashed — remained almost entirely secret until this January. The exact nature of how the information remained suppressed is not known, and an investigation into the law enforcement investigation of Quigley’s crash is underway.
Middlesex County prosecutors revealed in a court filing that they had sought orders keeping information about that probe secret in 141 cases…