A man who was part of a newspaper's advertising staff could face as much as three years in prison after pleading guilty to making a threat against county District Attorney Rod Pacheco.

Chandler William Cardwell, 33, entered his plea Wednesday. In exchange, prosecutors agreed to drop another threat charge and a forgery charge, as well as a special allegation.

Sentencing is scheduled for Dec. 10.

Cardwell was arrested in September after authorities executed search warrants at The Press-Enterprise where he worked in the classified advertising department.

Investigators said Cardwell placed an ad for a "Big Blowout, Going Out of Business" yard sale with proceeds to benefit the "Rod Pacheco memorial fund." It listed the district attorney's home address and phone number.

The ad appeared to be a response to Pacheco's announcement that he was seeking an injunction to restrict members of a gang from gathering and to force them to adhere to a curfew.

Cardwell's brother-in-law is a member of the gang, authorities said. Deputy Attorney General Michael Murphy said Cardwell's ties to the gang remain unclear, but "he clearly associates with them."

Cardwell's attorney, Richard Carnero, refuted that claim, saying his client is not a gang member. The ad was not placed "in connection with any gang," he said.