They would increase the money and torture them.

BBC: More

For a long-only money manager, going to work daily is a form of waterboard torture.

FORBES: Magazine Article

As the torture continued Coats extracted enough information to realise that Lynda had been handing over some of his money to Mr Glen, the property developer she had scammed.

BBC: 'Unimaginable' suffering and death of Lynda Spence