New York State Police have issued a warning regarding the theft of used cooking oil. If you operate a restaurant in New York State you should be aware of the latest trend in illegal activity, stealing your used cooking oil. Get our free mobile appAccording to Food & Wine, 'grease thieves' as they are known, steal the used cooking oil and resell this valuable grease on the black market. New York State Police recently had several cases involving suspects siphoning used cooking oil from restaurant storage tanks. 8 Exotic Animals You Can Legally Have as Pets In New York Looking for an exotic pet in New York State?