Authorities are continuing to investigate Tuesday afternoon’s lockdown at Lawrenceville High School. Administrators placed the high school on lockdown shortly past noon after being notified of a threatening message carved into a restroom wall. The message threatened that the school would be blown up. The lockdown was lifted after a little over an hour when officials were confident that there was no danger. Unit 20 School Superintendent Doug Daugherty says a handful of students have been interviewed. Authorities are continuing to investigate
