When John moved into a care home he trusted his granddaughter with power of attorney but instead of paying for his toiletries and fees she stole £71,600. Now experts warn abuse by friends, families and carers is an epidemic...

What's most sickening about the fraud carried out by Madeline Shaw isn't the enormous amount she stole - £71,600 - or even that her victim was elderly and frail. It's that the victim was her own grandfather.