Another witness, contradicting the first, said she believed Zimmerman was on top of Trayvon when she peeked. “First we heard like a howling sound,” she said. “And then the second time we heard a more-clearly ‘help’ sound.” She said she couldn’t tell who was crying out.“At first I couldn’t see anything. It was dark,” she said. “The second time I looked — I looked so many times outside I don’t know which one was which … What I remember is, it was too dark. And then a guy was on top of another guy — and the shot.” Though she couldn’t describe the men’s faces, she was able to recall their physiques: “I know after seeing the TV of what’s happening — comparing their pictures — I think Zimmerman is definitely on top because of his size