According to an arrest affidavit obtained by KSL-TV, Hoggan and Morgan planned to explode a device at a Roy High School assembly, the idea being to maximize the destruction, and the body count.
Hoggan is said to have sent one friend a text that read, "If I tell you one day not to go to school, make damn sure you and (name redacted) are not there." He added, "Dallin is on on it. He wants revenge on the world, too."
Another text reportedly read: "I've just been kinda planning my get back at the world thing and I figured if you had anyone you wanted revenge on, I could see if I have anything planned."
The affidavit also claims that Hoggan dismissed Columbine killers Eric Harris and Dylan Klebold because they'd accomplished only about 1 percent of their homicidal goals. He planned to do much better.
As for Hoggan's tweets, many of them seem benign, including this one:
There's also a re-tweet from presidential candidate Mitt Romney praising the United States Marine Corps. And numerous posts display a sense of humor. Take this one:
In retrospect, though, it's tempting to read a larger subtext into tweets such as this one:
And this note would provide plenty of grist for Freudians: