MyFoxBoston.com 6/1/11: State Trooper left brain-injured in 2003 crash dies. The Massachusetts State Trooper who fell into a coma in 2003 after her cruiser was hit by a drunk driver has died. State Trooper Ellen E. Engelhardt, 50, was parked in the breakdown lane on Route 25 in Wareham shortly after sunrise on July 26, 2003, when she was rear-ended by a Volvo sedan driven by William Senne, of Wayland.