The Cleveland Police Department said they derailed a man's plan to kill a police officer.
Police Chief Clint Stout said they got a credible tip that a man paid another man to build a bomb to blow up an officer's house.
Stout said the man that got paid did have access to explosive materials.
The informant told police the man paid $1,500 as a first installment to build a bomb.
The chief said Cleveland police and the ATF interviewed both men, who denied the claims.
No one was arrested due to lack of hard evidence, but the chief said he believes they thwarted the threat by confronting the men.
Police have stepped up patrol in that officer's neighborhood, and the officer has also installed a surveillance system.