MARENGO — Three people were killed and three were injured in a two-vehicle crash south of Marengo on Thursday.According to the Iowa State Patrol, Renee M. Jones, 40, of Williamsburg was northbound on M Avenue at 6:41 p.m. Thursday. Authorities said Jones’ SUV went off the shoulder, Jones overcorrected and crossed the centerline, colliding with a southbound SUV driven by 44-year-old Kimberly A.