What can I do about £1,300 spent by a vulnerable man on an Apple account?

A 25-year-old with special needs spent £1,300 charged to a card linked to an Apple family sharing account. Photograph: Vladyslav Yushynov/Alamy

I work for a charity that supports CM, a 25-year-old with Down’s syndrome and a learning disability, to live in his home.

He has round-the-clock care and limited capacity around decision-making.