Body-worn and surveillance footage referenced by multiple outlets shows what happens in the moments after a Los Angeles County sheriff’s deputy arrives at a knife attack in Lancaster. The recordings show the suspect, identified as Robert Castro, stabbing the deputy within seconds of the deputy’s arrival. According to the accounts summarized by the outlets, the incident escalates quickly, and other officers respond by opening fire shortly afterward. The footage is presented as evidence of the rapid sequence of events from initial contact to the start of gunfire. The reports focus on the timing shown in the video, describing that the stabbing occurs almost immediately after the deputy reaches the scene and that the armed response follows shortly thereafter. Details about the deputy’s condition, the suspect’s injuries, and the precise charges or investigative findings are not provided in the supplied text. Overall, the sources agree on the core depiction of the attack’s early moments and the rapid progression from stabbing to officers firing their weapons.