Concluding a lengthy investigation, Oregon State Police Major Crimes Section has arrested Don Lee McAlpine Jr, for Rape in the 1st Degree. McAlpine allegedly raped a 26 year-old mentally disabled female at Beachside State Park between August 10 and August 12, 2018. OSP is requesting the public’s assistance in obtaining any information from anyone who might have stayed at or passed through Beachside State Park from August 10 through August 12. Please contact the Oregon State Police Northern Command Center at (503) 731-3030 and reference case number SP18-340959. OSP will like to thank our partner agencies: McMinnville Police Department, Dallas Police Department and Polk County Sheriff’s Office.