A Texoma man is facing aggravated assault charges.
This following an incident at the Pizza Hut in Burkburnett.
Ian Mackenzie Dugan, 18, allegedly pulled a knife on a co-worker last Sunday.
The shift manager tells police the victim was on the phone with a customer when Dugan put a kitchen knife to her throat, saying something about her jugular vein.
The knife was turned over to police.