The BBC reports on changes in Nigeria that are meant to help fight 419 fraud:

Virtually anyone with an email account will be familiar with this crime, which involves sending emails or faxes to potential victims around the world, sucking them into a highly attractive but utterly false financial deal.

Back in Nigeria, the rewards are potentially highly lucrative – but now, owing to a crackdown and much-improved co-operation between police forces globally, it has become more risky for the perpetrators.

[…]

[I]nternet service providers who allow online fraudsters to operate will face criminal charges, while decades in jail await the scammers themselves – with little chance of early parole.

Still, with rich pickings still to exploit, Nigeria’s criminals will not give in easily.