The Superior Police Department is offering a reward for information leading to the author or authors of an anonymous threat.
A minimum $500 reward is available for information leading to the arrest of letter-writer.
Superior police Tuesday received a tip about an anonymous threat of a drive-by shooting at Superior High School. The anonymous letter containing the threat was left in a mailbox of a Superior home and labeled "Give to police"
No specific date of when a shooting might occur was indicated in the letter.
Anyone with information is asked to call the Superior Police Department tipline at 395-7468