There's a good one up at retraction watch. An author suggested reviewers for his manuscripts using email addresses he had access to, then supplied his own reviews. Apparently suspicions were aroused by the 24h return of reviews- an obvious sign of fakery.
My learned colleague Odyssey opined that this situation strengthened his resolve to never select the suggested reviewers when acting as an Associate Editor.
I think this is ridiculous. A few bad apples, blah, blah. But more importantly, it seems simple fairness that if a journal is going to request suggestions for reviewers then they should use them. And not, as Odyssey is suggesting, as an exclusion list.
I think AEs should use one and only one of the suggestions.