I think i know the answer really but Just want people's thoughts.
Shes 13 he's 14. My understanding is they starting chatting through a friend. But only actually met in person once as a small group. They were talking via video call. He started over questioning dd when ever she came of video call or put it on mute to talk etc or doing her own thing . She decided to stop talking to him because he was being a bit nasty . She's not spoken to him in 9 months. About a week ago he went to her school as there was some type of activity going on which meant some kids from his school went to dd school. Dd never spoke to him and kept our of the way . This seems to have triggered something.
Also his friend recently started at dd school I'm not sure if that's got anything to do with it or not.
I'm not sure if I report to 101 or wait till after half term and report to safe guarding at the school.
Dd friend is the green the boy is in the black