News Cristhian Bahena Rivera, charged with 2018 murder of Mollie Tibbetts, blames masked mystery men in stunning testimony May 26, 2021Eric Ferkenhoff and William Morris, Des Moines RegisterComments Off on Cristhian Bahena Rivera, charged with 2018 murder of Mollie Tibbetts, blames masked mystery men in stunning testimony Cristhian Bahena Rivera's testimony, which took the court, including prosecutors, by surprise, came near the end of the nearly two-week trial.