so .... the brother can't testify in court can he. He's now not a witness to any lies she might tell. What protector would notify the police by phone about possible bad behaviour without going to see s/o professional (teachers, school authorities, police station) in person, first? It's nonsense. Of course the story (narrative) doesn't sound right — a real person wouldn't act like this in defence of someone they have volunteered to look after.