Guys I need some help. Something's following a friend of

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Guys I need some help.

Something's following a friend of mine (17) and her Mother. They told me they can sense that there is something in the house. They can hear it, feel it and her mother saw it once.
It hasn't tried to harm them as I know, but it held their arms pretty tight once or twice and her Mother woke up next to an angle like statue, which disappeared shortly after.
They both are scared and asked me for help.

At first I thought ghost or some shit and I heard about Marian apparition, but I am not sure what's going on.
She did't tell me much, because she thinks she's going nuts, but she's really fucking terrified.

Do anyone know what the fuck it could be or what it would want? Just spoop shit shit out of them, possession or just delivering messages?
And would it be a good idea to try recording it or talking to it with a ouija board? And if so, should i do it with them?