'There is no room for error, particularly in light of previous attempts on President Trump’s life.' Days ahead of the president's Tuesday visit to the Trump National Golf Course, Los Angeles, in Rancho Palos Verdes, California, plainclothes federal agents spotted a 38-year-old Hispanic man on the property who struck them as suspicious. According to the Los Angeles Sheriff's Department, the suspect was seen walking around the golf course grounds taking pictures and videos and "appearing to monitor security-planning activities." RELATED: Horrific details emerge about international pro-life leader's assassinationTrump National Golf Club, Los Angeles. According to the Department of Homeland Security, the "RINGLEADER" of the alleged plot was Abraham Hermosillo Alvarez, an illegal alien from Mexico.