He was identified early on by "the system" - CPS, schools, shrinks, Masons, who knows - as being of malleable character. He was subject to every form of brainwashing, from online chats to technical means through phone/TV. He was probably "aided" by a shrink or two and SSRI drugs. It becomes a 1+1+1 = 7 formula for making someone insane. Eventually, he was pushed over the edge by the voices in his head - which is actually voice-to-skull tech via phone, TV, computer, maybe even satellite. The push, being someone who controls the switch decided it was time for a mass shooting.
He was identified early on by "the system" - CPS, schools, shrinks, Masons, who knows - as being of malleable character. He was subject to every form of brainwashing, from online chats to technical means through phone/TV. He was probably "aided" by a shrink or two and SSRI drugs. It becomes a 1+1+1 = 7 formula for making someone insane. Eventually, he was pushed over the edge by the voices in his head - which is actually voice-to-skull tech via phone, TV, computer, maybe even satellite. The push, being someone who controls the switch decided it was time for a mass shooting.