Even if new evidence was discovered, former nfl star o. j. simpson could not be retried for the murders of nicole brown simpson and ron goldman under the defense.

I believe the answer is: Double jeopardy

Double jeopardy refers to the defense that a defendant can use to avoid being tried for the same case more than once. In united states, not being put in a double jeopardy is included within the constitutional right of every citizens that born in this country.

the answer your looking for is c. : )