A criminal investigation has been launched after a threatening message was received. The message claimed the sender was at a school, possessing certain items and intending to cause harm. This message was sent to a police tip line on Tuesday.

The police department has confirmed that they are working on this case and have also involved the Federal Bureau of Investigation. The investigation is ongoing, and details about the incident are available from the source.

Further information can be found through the original report, which provides more context about the situation and the actions being taken by the authorities.