UPDATE 5:10 p.m.
The McCracken County School District has issued a press release in regards to the letter sent to the Paducah Sun yesterday. The release says The Paducah Sun released the name of the letter's author to the McCracken County Sheriffs' Department, which has started an investigation into the threat.
The release also says both Reidland High School and Reidland Middle School will resume normal classes tomorrow. The schools were searched by law enforcement and canine units. Both have been rendered safe. WKMS has contacted the McCracken County Superintendent's office and the McCracken County Sheriffs' Department for interviews, but has not been obliged at this time.