John was charged with murder but was found innocent. A year later, John is sent back to court because the police later found evidence. In the fifth amendment, what term protects John?

Double Jeopardy

The Double Jeopardy Clause in the Fifth Amendment to the US Constitution prohibits anyone from being prosecuted twice for substantially the same crime. The relevant part of the Fifth Amendment states, "No person shall . . . be subject for the same offense to be twice put in jeopardy of life or limb . . . . "