A new video from security cameras at The Miami Herald building released Tuesday shows the nearly 20-minute-long face-chewing attack on a homeless man near the MacArthur Causeway. The video shows the attacker, identified as 31-year-old Rudy Eugene, walking naked on the sidewalk near the Biscayne Boulevard exit Saturday afternoon before he encounters his victim, 65-year-old Ronald Poppo. Eugene appears to struggle with Poppo, throwing him on to the sidewalk as cars and bicyclists speed past and a Metromover car passes by overhead. As Eugene gets Poppo on the ground, he stands over him and starts ripping his clothes off, while Poppo tries to fight back. The attack continues for several minutes as Eugene appears to drag Poppo under the Metromover track and just out of the camera's view. Three bicyclists are seen passing right by the two men, and the driver of a white car slows down on the off ramp before leaving. Much of the attack couldn't be seen, however, due to the waist-high barrier wall separating the path from the roadway. Police say five different passersby called 911 to report the incident, including a Florida Department of Transportation Road Ranger. The first call, from a motorist, was routed to the Florida Highway Patrol before it was transferred to Miami Police, according to the Herald. The Road Ranger, who also called 911, even tried to get Eugene to stop by calling to him over a loudspeaker. About 16 minutes after the attack began, a patrol car comes into view of the camera driving up the the ramp against traffic. The car circles around before parking next to the scene. An officer, identified by the Herald as Jose Rivera, gets out and approaches the two before drawing his firearm and walking under the tracks and out of the view of the camera. Rivera opened fire, killing Eugene. Authorities say he had savagely attacked Poppo's face and had growled at the officer when he told Eugene to stop. Seventy-five to 80 percent of his face was missing, and he was actually swallowing pieces of the man's face, said Armando Aguilar, president of Miami's Frat #nbcmiami #crimewatchmiami