A Bay Area man on probation for a domestic violence conviction has been arrested on dozens of felony charges for allegedly running what prosecutors described as a "ghost gun factory" inside his apartment.

Santa Clara County District Attorney Jeff Rosen announced that 28-year-old Alfred Amaya of Campbell was arrested this week in a probation sweep by his office's Gun Violence Task Force, which was conducted as part of Domestic Violence Awareness Month.

Amaya is facing more than 30 felony counts, including possession of a machine gun, manufacturing machine guns and felony possession of a weapon.

"Our task force shut down a busy criminal ghost machine gun factory in the middle of an apartment building," Rosen said in a statement. "The defendant's 3D printer created guns that could be used

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