thought it was. it is not the name on the paper work and they didn't use the dhs e-verify system but an older social security verification system. now, still a lot of unanswered questions here. that isn't stopping the plittization of the death and something people in iowa wish they didn't focus on. the disappearance of mollie tibetts now a case of murder. 24-year-old cristhian rivera charged in the 20-year-old university of iowa student's death this afternoon. >> you have been charged with murder in the first-degree. >> reporter: investigators say rivera led them to a corn field tuesday where they found a body believed to be mollie tibetts. >> he tells us that some point in time he blacks out and then he comes to, near an intersection which we believe he