Or maybe it’s fraternity members? Hard to say. In this week’s edition of mass shootings brought to you by the NRA, I give you the following:

One person was killed and three others were wounded after a gunman opened fire at Northern Arizona University early Friday, school officials said.

One person was killed and three were wounded in a shooting at Northern Arizona University early Friday.

The shooter was is in custody, and the campus in Flagstaff is not on lockdown, the school said in a statement.