Maine State Police investigators on Saturday issued a call for the public's help in the investigation into a double murder in Castle Hill.

Roger Ellis and Allan Curtis were found shot to death in a pickup truck early Tuesday morning. Both the pickup and an abandoned, unregistered ATV found nearby were taken to the State Police Crime Lab for analysis.

On Saturday police asked the public for any information that could lead to an arrest. Anyone with information is asked to contact Aroostook County Crimestoppers at 1-800-638-8477.