Investigators said the threat did not mention a particular person or school and they believed this is an isolated incident.
Noxubee County deputies received a call about a suspicious person at Cedar Creek.
Police Chief LaTana Williams believed the victim tried to drive himself to the hospital after being shot on Valentine's night.
If you have any information on the crime you're asked to call Golden Triangle Crime Stoppers or West Point Police.
The victim was stabbed multiple times but was expected to recover.
Investigators said the robber had a handgun. The hold-up happened just before 10 p.m.
The investigation into the December 18 armed robbery and shooting at the Eastside Quick Stop led police to six suspects.
Robert Beck was sentenced for the attempted murder charge Friday morning.
On Wednesday, Lee County deputies contacted the Itawamba County Sheriff's Department, with a possible lead in the case.
The Tishomingo County Sheriff's Department, Belmont Police, and the Mississippi Bureau of Narcotics worked the case.