Defensive wounds were also discovered upon her hands .
In total , the victim had been stabbed over 150 times in the neck , chest and torso with a common pen knife ; some of these wounds had severed her carotid artery .
Defensive wounds were also discovered upon some 's hands .
In total , the victim had been stabbed over 150 times in the neck , chest and torso with a common pen knife ; some of these wounds had severed her carotid artery .