Jefferson County, In. — Indiana State Police and the Jefferson County Sheriff’s Department investigated a crash that killed a Madison man Wednesday morning.Reports indicate around 7:25 a.m. a car driven by Miko McRoy, 41, of Seymour, was eastbound on State Road 56 near Amber Waves Blvd. when he collided with a car driven by Dallas Jackson, 22, of Madison. Investigators have been unable to determine which motorist crossed the centerline.Jackson died at the scene. McRoy was transported for treatment of non-life threatening injuries.Toxicology results are pending. The investigation is continuing.