One day I decided to visit my friend round at there house, they didn't know I was coming round as I was only passing and thought I would say hello.I turned up around lunch time and thought they would be at home. When I arrived the back door was open but I couldn't find anyone, I went in and walked around, but couldn't find any one. I heared a noise coming from up stairs so I went up to see if anyone was there.The bedroom...