A Palm Springs Unified School District patrol officer who is set to be arraigned Monday on charges related to an investigation into domestic extremism by the FBI Joint Terrorism Task Force is no longer employed by the district.

Joan Boiko, a spokeswoman for the district, confirmed that Alfredo Luna Jr.'s employment with PSUSD ended April 7, though she declined to say if he resigned or was fired.

According to documents filed in Riverside County Superior Court, Luna, 41, was arrested on Inauguration Day, Jan. 20, after a prior search of his home turned up an unregistered assault rifle. District officials said he had been placed on paid administrative leave shortly after his arrest.

Read more: Desert Sun