In order for that precedent, even if there were one, to be regurgitated the precise crime with which the two marshals were charged by the Brazilian authorities would have to fall within the purlieu of the USA/Brazil extradition treaty. Money laundering, for example, is not covered by the extradition treaty whereas trafficking in wild life is.
It does seem rather, reading through back issues of Pprune that it's a particularly British preoccupation to scrabble around in the dirt and dust looking for pebbles to chuck at the Americans. In Germany Britain is sometimes called Ape Island but that's really very rude and of course entirely born from jealousy derived from a lack of military supremacy among other differences in style, isn't it?