Please help me spooky things going on please help!!!!?

A video taken of my grandad a year ago of him snoring and when we looked at the video again it had spooky things going on what never happend before some little girl crying for help but since he died a couple of weeks ago because of fishing... when my nanny came back she looked at it still no voice and a couple of days later there was a voice saying help!!!! please help me sort this out this is very scary do you think he is warning up something really bad is happening to him or what please but it was a childs voice not his....