Bob was found with 30 brand new televisions in their original packaging in his apartment. The police thought Bob must have stolen them, but no one had reported the televisions stolen. There was not sufficient evidence of the to proceed with the prosecution.

Corpus delicti.

Explanation:

The Corpus Delicti a term that is used to describe the basis of a crime (it's literal meaning, from Latin, means "body of the crime"). This principle means, in other words, that the crime has to be proven before convicting the suspect of the crime. Therefore, Bob can't be convicted for, allegedly, stealing 30 televisions given that no one had reported them stolen.

the answer is d.index