Roger Reece Kibbe (May 21, 1939 - February 28, 2021) was an American serial killer and rapist known as the "I-5 Strangler". Kibbe found all but one of his victims on freeways around Sacramento, California. In 1991, he was sentenced to 25 years to life imprisonment for the death of Darcie Frackenpohl. On February 28, 2021, in Mule Creek State Prison, Kibbe was strangled to death by his cellmate.