A Cheney man with suspected mental health issues remains in protective custody after police found an arsenal of weapons at his home Wednesday  following weeks of threats against public officials.

Douglas J. Dibiasi, 53, was already in protective custody when law enforcement searched his home at 9018 S. Medifor Road about 9:30 a.m.

Spokane County sheriff's officials seized 26 pistols, rifles and shotguns as well as 4,000 to 5,000 rounds of ammunition throughout the home, according to a search warrant.

The search came after officials with the State Bar Association said Dibiasi had filed a grievance against an attorney that had been dismissed, and he continued to leave voicemails threatening to kill federal officials. He threatened to blow up the post office in Cheney and has repeatedly alleged that the sheriff's office is out to get him.

A store owner in Cheney told detectives that he had to tell Dibiasi to stop entering the business with his pistol after an incident with an employee last fall.

Dibiasi was taken into protective custody March 7, and a doctor on March 12 forbid him from possessing weapons.

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