Petaluma police are seeking public assistance to find a teenager who went missing early Thursday morning. Anna Joy Higgins, who is 13, left her home around 2 a.m. with a small duffle bag. Police said she does not have her cell phone. Higgins is a Hispanic, is 5 feet 6 inches, weighs around 180 pounds, with black hair and hazel eyes. She is believed to be wearing a black hooded sweatshirt with white writing, black sweatpants, and a cross necklace. Anyone who sees her should contact the Petaluma Police Department.