LAFAYETTE, La. (KLFY) – State Police have arrested a man in connection with a crash that left one man dead this morning in Lafayette.The crash happened around 2:30 a.m. on I-10 West, west of Ambassador Caffery Parkway.Master Trooper Brooks David said, Jeremy Williams, 30, of Crowley, was driving a 2014 Chevrolet Malibu when “for unknown reasons, the Malibu ran off of the right side of the roadway, struck a tree, and overturned.”All four people who were in the vehicle at the time of the crash, including Williams, were not wearing seatbelts and were ejected from the car.Williams and two of the passengers sustained moderate injuries. A third passenger sustained critical injuries and later died at a local hospital.David identified the deceased passenger as Wayne Istre II, 24, of Rayne. State Police suspect impairment to be a factor in the crash. Toxicology samples were collected from Williams and sent to the Louisiana State Police Crime Lab for analysis.Williams was charged with vehicular homicide, two counts of first-degree negligent injuring, careless operation, no driver’s license and no seat belt.