IOWA CITY, Iowa—A judge on Wednesday delayed sentencing for the man convicted of killing University of Iowa student Mollie Tibbetts after defense lawyers said they needed time to investigate new information pointing to other potential suspects. Cristhian Bahena Rivera, 27, was scheduled to be sentenced to life in prison without parole Thursday before his lawyers revealed newly obtained information that they say calls his guilt into question. Judge Joel Yates ruled Wednesday the sentencing would be delayed until after he holds hearings on the defense’s requests to compel prosecutors to release information about other suspects and to order a new trial. Yates said he would hold the first hearing Thursday at the Poweshiek County Courthouse in Montezuma and set a later date for the hearing on a new trial. Prosecutors remain confident in Bahena Rivera’s guilt, state attorney general’s office spokesman Lynn Hicks said. As of Wednesday, they hadn’t submitted …