Airman Witt said he went back to the house because he didn't want to leave any evidence,

Don't leave inferences to be drawn when evidence can be presented.

She pulled away, ... It was unwelcome. She didn't want that.

He said he stabbed him in the heart,

He told me that he lost it but that he didn't snap.

We don't have to go to a glacier in Tibet to find a missing airman, ... We've got some of them in our own backyard.