 The case went cold until 2021 when the local FBI office decided to conduct a review, leading to DNA being successfully pulled from evidence and a positive match. Walter Leo Jackson Sr., a violent criminal originally from the Cleveland area with rape, kidnapping and assault charges to his name. Jackson was an avid hiker who was known to visit the park and at the time was also known to change cars and license plates frequently. He died in an Ohio prison in March 2018.