Mollie Tibbetts murder suspect ID'd as Cristhian Rivera, 24, living in US illegally
August 21, 2018 at 17:42 PM EDT
An illegal immigrant stands accused of killing 20-year-old college student Mollie Tibbetts and dumping her body in an Iowa cornfield — after he accosted her during a jog July 18 and she threatened to call police, investigators said Tuesday.