Fatal Crash in Cambridge Involving Daniel O'Neil on March 21, 2025
On March 21, 2025, at approximately 1:21 a.m., a fatal crash occurred at the intersection of Massachusetts Avenue and Vassar Street in Cambridge, Massachusetts, involving Daniel O'Neil, a 73-year-old resident of Boston. O'Neil was operating a moped when he was struck from behind by an SUV driven by Lauren Mullins, 32, of Roselle Park, New Jersey. Following the collision, O'Neil was transported to Massachusetts General Hospital, where he later died from his injuries. Mullins' SUV also collided with an MIT Police cruiser during the incident, though no information regarding injuries to the officer has been released.
Mullins was arrested at the scene by Cambridge Police and charged with Operating Under the Influence – Liquor with Serious Bodily Injury and Negligent Operation of a Motor Vehicle. Her bail was set at $15,000, with conditions prohibiting alcohol or drug use, driving, and requiring her to remain in Massachusetts for random drug and alcohol screens. Additionally, her bail was revoked on a pending case from Boston Municipal Court, with a subsequent bail hearing scheduled for March 27, 2025. The investigation into the crash is ongoing and is being conducted by the Middlesex District Attorney’s Office, the Cambridge Police Department, and the Massachusetts State Police Collision Analysis and Reconstruction Section.
