Be Careful Of What You Say.

Riddle: One day there was a young girl who walked up a mountain she had no gear and it was really cold then she found herself slipping she fell off the side of the mountain because someone had pushed her. Next, a boy named Harper Kane was her brother. He called the police. The police came and found three suspects Molly, Bob, and Dave. The police asked them what they were doing today. Molly says she’s been out and never pushed the girl off the mountain. Bob said he was outside running and doing his workout. Dave said he went outside to the park with his kids and went to go get ice cream. Who pushed the young girl off of the mountain how do you know?