STEUBENVILLE, Ohio (AP) – A judge granted two teenagers immunity from prosecution Friday before they agreed to testify about the alleged sexual assault of a drunken 16-year-old girl after a party in eastern Ohio last summer.

Both Mark Cole and Evan Westlake invoked their Fifth Amendment right against testifying for fear of self-incrimination as the trial in Steubenville entered its third day. Testimony from Cole, Westlake and a third boy are a crucial part of the state’s evidence because the West Virginia girl says she doesn’t remember what happened.