that alerted authorities. i lived with him and have seen his suicide note written on his wall at home. and he has personally told me about plans he has to do mass public shootings. what were your immediate concerns as soon as you got there? as i m pulling up to the scene, there s a private school across the street. reporter: the police special response team surrounds the area, as millian begins talking to rosario. he had on body armor when i was talking to him through the window. i saw the butt of a rifle. so i knew danger was there. reporter: and he knew rosario suffered from mental illness. he s a combat army veteran 100% disabled, who suffers from ptsd, schizophrenia, bipolar and depression. it s unlikely he s taking his medication. give me an idea of his state of mind.
he was in a crisis mode. his thought process was that the world was going to end on friday, and that americans were potentially in harm s way. reporter: how do you rationally speak to someone suffering a mental breakdown? a lot of patience. a lot of patience. reporter: he says rosario was suspicious of police. but he somehow finds a way to build trust. i explained to him that i m a veteran myself. i actually showed him my military i.d. card. i think that was the turning point. reporter: after more than five hours of negotiating, no bullets fired, no storming the building, rosario surrenders peacefully. he s taken to a treatment facility, not a jail. he was very sick, but he didn t break a law. they got to him before he did something terrible.
that child kidnapper operated a torture chamber and private prison in the heart of our city. reporter: a daughter s sickening nightmare. if you would have asked me this last week, i would have you he s the best dad and best grandpa. he s dead to me. reporter: a brother s terrible discovery. my wife, linda, comes to me one day and says do you think there s any possibility that this unabomber might be your brother? there are 11 individuals or parts thereof that were recovered, and those would include 11 in tact skulls. reporter: a father s frustration. he was ordered by the court to undergo counseling. i visited the psychologist, but she did not indicate to me that she knew what was wrong. a single engine aircraft has crashed into a seven story building. reporter: a wife s horrible surprise. i can t imagine anybody doing anything like that. let alone my husband. reporter: a family s desperate attempt to prevent a massacre. his thought process was the w
a torture chamber and private prison in the heart of our city. reporter: a daughter s sickening nightmare. if you would have asked me this last week, i would have you he s the best dad and best grandpa. he s dead to me. reporter: a brother s terrible discovery. my wife, linda, comes to me one day and says do you think there s any possibility that this unabomber might be your brother? there are 11 individuals or parts thereof that were recovered, and those would include 11 in tact skulls. reporter: a father s frustration. he was ordered by the court to undergo counseling. i visited the psychologist, but she did not indicate to me that she knew what was wrong. a single engine aircraft has crashed into a seven story building. reporter: a wife s horrible surprise. i can t imagine anybody doing anything like that. let alone my husband. reporter: a family s desperate attempt to prevent a massacre. his thought process was the world was going to end on friday.
school under assault. within minutes, six adults and 20 children massacred. just three days later, another school, this one in florida, goes into lockdown. and miami-dade police negotiator victor millian is called into action. part of the information i received was that there were multiple weapons involved, to include grenades. reporter: the shooter isn t in a school, but across the street, living here. he s distressed and heavily armed. inside his apartment, the walls are covered with violent rantings, and silhouettes used for target practice. his name is franklin rosario. earlier that day, his sister, alma, sent this desperate e-mail that alerted authorities.