Traveler Victim Of Complex Fraudulent Mileage Credit Claim… But How?!?

There’s all kinds of fraud in the miles & points world, as there’s a big underground industry of bartering rewards. While we hear about cases of rewards being stolen all the time, here’s an unusual twist on that, whereby someone managed to get someone else’s rewards credited to their frequent flyer account. I’m not sure what exactly to make of this, so I’d love to hear what others think.