The suspect was seen taking photos and videos of the grounds, authorities said.August 4, 2026, 7:18 PMA man allegedly armed with a pistol was arrested after he was seen taking photos and videos of the Trump National Golf Course in Los Angeles County over the weekend, authorities announced on Tuesday.The incident occurred on Sunday, the Los Angeles County Sheriff's Department said, a day before it was announced that President Donald Trump is set to visit the Rancho Palos Verdes property this week for a Republican National Committee dinner.A sign is posted in front of the Trump National Golf Club Los Angeles on June 16, 2026, in Los Angeles.Justin Sullivan/Getty Images, FILEDeputies responded to the golf course Sunday afternoon after plainclothes federal agents reported a "suspicious individual" who was seen walking on the grounds, taking photos and videos and "appearing to monitor security-planning activities," the Los Angeles County Sheriff's Department said in a release on Tuesday.Deputies determined the suspect, identified as 38-year-old Jeanine John Taele of Downey, was being investigated for a robbery by police in El Segundo and detained him, the sheriff's department said.In this Sept. 13, 2024, file photo, Republican presidential nominee former President Donald Trump speaks during a news conference held at Trump National Golf Club Los Angeles in Rancho Palos Verdes, Calif.Jae C. Hong/AP, FILEDeputies recovered a 16-round magazine containing hollow-point ammunition from his pants pocket, as well as a loaded pistol with a round chambered and an additional loaded magazine containing hollow-point ammunition from his vehicle, authorities said.Popular ReadsHe was arrested for carrying a concealed firearm and possession of armor-piercing/prohibited ammunition, the sheriff's department said.Detectives executed a search warrant at the suspect's residence Monday afternoon due to the "potential security implications surrounding the incident" and recovered more firearms and ammunition, as well as "multiple notebooks containing concerning statements," body armor and two radio signal devices, the sheriff's department said.Taele remains in custody, authorities said. Investigators presented the case to the Los Angeles County District Attorney’s Office earlier Tuesday for filing consideration.The incident remains under investigation in coordination with the FBI's Joint Terrorism Task Force and the United States Secret Service, the sheriff's department said.This is a developing story. Please check back for updates.