Third offense DWI collision leaves one dead in Terrebonne, says State Police

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On November 17, 2021, shortly before midnight, Louisiana State Police Troop C was notified of a two-vehicle crash on Louisiana Highway 20 near Vine Street. The crash claimed the life of 43-year-old Mary Thomas-Triggs of Thibodaux.


The preliminary investigation revealed Roy Skinner of Thibodaux was eastbound on LA Hwy 20 in a 2012 GMC Acadia. At the same time, Norman Triggs of Thibodaux was westbound on LA Hwy 20 in a 2003 Ford Expedition. For reasons still under investigation, the GMC crossed the centerline and struck the Ford head-on.


Skinner, who was unrestrained at the time of the crash, was transported to a nearby hospital with moderate injuries. Norman Triggs, who was properly restrained, suffered minor injuries. The passenger of the Ford, Mary Thomas-Triggs, was also properly restrained and suffered severe injuries. She was transported to a nearby hospital where she later died.


Skinner provided a voluntary blood sample that was submitted for analysis. Norman Triggs displayed signs of impairment and provided a breath sample resulting in a blood alcohol level over the legal limit. He was arrested for 3rd Offense Felony DWI and Driving with a Suspended License. Charges against Skinner are pending. This crash remains under investigation.


Troop C has investigated 34 fatal crashes resulting in 39 deaths in 2021.