Terrell was in an automobile accident and suffered damage to his primary somatosensory cortex. Since the accident, he has been unable to identify items by touch when they are placed in his hand. Terrell appears to have a deficit in:.

stereognosis.

Explanation:

Stereognosis -

It refers to the capability of the human being to identify or recognize any object , in the absence of any visual or auditory information , is referred to as stereognosis .

The method require to feel the texture , size , arrangement , temperature , in order to identify the object .

Hence , from the given scenario of the question ,

Terrell have deficit in the stereognosis .

when comparing the cases, what similarities are there in the cases that suggest one person committed these murders?