Are You Afraid? #1 Who Killed Your Best Friend

One day you and your friends David,Joe,Luke,Travis and your best buddy,Nick. Decide to go swimming but then you see redish water. You and David swim down and someone has killed Nick. There is a bite wound in his chest. You go to tell the police. But then you remember something the a few weeks ago, a man escaped from prison.And the man is a magician and insane proffesor. You remember that the prison's sewage system leads to this other river that is close to this river. You try to tell the police but they just laugh. Will you just tell your mom and dad to move or you could figure this out. You choose!