A woman was found dead on an island in the Sacramento River on Saturday under circumstances Redding Police are calling suspicious. A little after 5PM officers were called to the island near Girvan Road after a male family member discovered the body. The man’s relationship to the victim has not been revealed. He was interviewed and released. Officers were carried to the island by a CHP helicopter. An autopsy will be done to determine the woman’s cause of death. Anyone who can provide information should call RPD investigations at 225-4200.