James Cotter is charged with tampering with evidence with the intent to impair an investigation and possession of prohibited weapons. The charges relate to the case of missing Olmos Park mother-of-four 51-year-old Suzanne Clark Simpson who was reported missing on October 6, 2024. Her husband Brad Simpson has been charged with her murder. Cotter is accused of helping Brad Simpson hide an AK-47 that was illegally modified. Authorities said the firearm was modified into a 'machine gun', which was not correctly registered.