elaine quijano is here in new york. good morning to you. >> reporter: good morning, rebecca and anthony. that confrontation between the gunman and police lasted just eight seconds, but there was chaos in the aftermath as bystanders were sent scrambling. construction worker owner camacho was laying stone outside new york's landmark empire state building when he heard gunshots. he started running after police recording it all on his feign phone. >> i never seen this in my life. all of a sudden we hear boom, boom. >> surveillance video shows when it was over, the gunman, identified as 58-year-old jeffrey johnson, lay dead. also dead, steve erk lynn owe, his former colleague. nypd commissioner ray kelly. >> in a dispute with one of the former employees, in front of the building, johnson produced a pistol and fired at close range striking his 41-year-old victim in the head. >> nine bystanders were wounded. what's not clear is whether they were shot by the gunman or police trying to bring him down. >> two civilians shot. the perp is shot. >> that's affirmative. they took the perp down amt cbs news was told that johnson blamed him for -- earlier this year both men had filed harassment com