MOUNTAIN LAKES - The Morris County prosecutor's office today released the 911 calls that were placed moments after a man allegedly shot and killed a co-worker at their Mountain Lakes office last week.Morris County Prosecutor Robert Bianchi says the accused gunman, 39-year-old Leonardo Parera, called 911 at around 4:45 p.m. and told dispatchers that he had just killed someone. He said he was "armed and dangerous."The gunman is heard on the tapes growing frustrated with the dispatcher's questions. He tells the dispatcher to send officers, saying he can "see from every angle" and "will shoot at anyone" who approaches.Responding officers soon found Parera in his car at the office complex.As officers approached, police say Parera opened fire and was fatally shot by police.RAW AUDIO: 911 tapes in fatal Mountain Lakes shootingOfficial: Two dead in Mountain Lakes shooting Police release identity of Mt. Lakes victims, suspect