Who Is Alleged Oregon College Gunman Chris Harper Mercer?
The account is connected to Torrance, California, and according to The Daily Beast, he lived in Torrance before moving to Oregon in a town where there is reportedly some police presence in tonight.
The profile also contains a bunch of pro-IRA images:

http://www.mediaite.com/online/who-is-alleged-oregon-college-gunman-chris-harper-mercer/