A 911 call suggests the college student was acting 'delusional' an hour before he killed a couple and bit off part of his victim's face.
Phil Helsel and Eli Panken, NBC News
Wed, 08/17/2016 - 4:12pm
A 911 call suggests the college student was acting 'delusional' an hour before he killed a couple and bit off part of his victim's face.