Published: May 24, 2013 1:20 PM EDT
Updated: May 24, 2013 1:20 PM EDT

NAPLES, Fla.- Naples Police Officers arrested a 12-year-old girl who allegedly left a threatening letter in the book return of the Collier County Library on Central Ave. this week.

Library personnel had discovered a note in the book depository on Wednesday morning, that threatened to “blow up” the library.

Units from the Naples Police Department, Naples Fire Department and the Collier County Sheriff’s Office responded to make sure that the area was clear. A search of the library conducted by the CCSO explosive detection K-9 was negative for any explosive devices.

The investigation revealed that a small group of students from Gulfview Middle School had been told to seek shelter at the library the previous day after school because of inclement weather. Members of the group were identified and spoken to by detectives of the Naples Police Department and school officials.

These interviews led to the identification and arrest of the juvenile who was responsible for writing and placing the note into the book return depository at the library. She explained she was sorry for her actions and it was only meant it to be a joke. She was charged with threat to place or discharge a destructive device.