Assault on brothers at Glenn Otto Park prompts officials to seek public’s help finding suspects Updated 12:26 PM; Facebook Share WARNING: This story contains a link to a video with graphic language and images of graphic violence that some might find offensive. Multnomah County Sheriff’s Office is seeking the public’s help to identify suspects involved in an assault Sunday night at Glenn Otto Park near the Sandy River. At about 7:36 p.m., deputies responded to a report of an assault at 1110 E. Historic Columbia River Highway in Troutdale. They found two men with injuries. The suspects had left. No arrests have been made.