The videos were made in different places and yes, they confirmed that they were made over a period of six days.
He was insane and should never have been made an outpatient.
And I also don't understand why the college didn't boot him out, after all of the problems he caused in '05.
But what was as revealing about the manifesto was the time and date the .pdf file was last modified: 7:24 a.m., April 16, minutes after he had shot and killed his first two victims, and nearly two hours before he went on his second rampage.