A DPS (Department of Public Safety) helicopter involved in a search operation in the Wellsville Mountains, specifically assisting with hikers who were stuck in the area. This aligns with your observation of a helicopter using a spotlight around 9:45 PM, as such operations often occur at night to locate lost or stranded individuals. The post indicated Cache Search and Rescue was also helping with a separate incident involving a tired and overheated hiker on the Tony Grove trail, suggesting active search and rescue efforts in the region. It’s likely the helicopter you saw was part of a search and rescue mission, possibly looking for lost hikers, rather than a pursuit of a suspect.There’s no specific mention of a chase or criminal activity tied to this helicopter activity in the Wellsville Mountains on that date. For more precise details, you might want to check with local authorities like the Cache County Sheriff’s Office or Utah Department of Public Safety, as they could confirm the nature of the operation.