The postmaster threatened retribution, Allegheny County District Attorney Stephen Zappala said.
"'You’re going to lose your job,' to one person. He said he was going to kill them, other people he’d tell, 'I'm gonna get you,'" he said.
Daniel P. Davis, regional postmaster for the U.S. Postal Service, was charged Tuesday with four counts each of intimidation of witnesses, official oppression, obstructing the administration of law or other governmental function and criminal coercion.