[Vince Ferrer]

...used the accidental loophole to withdraw more than $1.5 million—losing it all on gambling

That would be my cover story too.

Meanwhile, if you were an ATM company in the software testing department, what would be the absolute first test you would write?

[JCBreckenridge]

Cash deposited = cash credited?

“deposit 10 dollars”
“screen shows 20 dollars”
“withdraw 20 dollars”