Seizures allowed to be kept by the organisation doing the seizing is a terrible incentive. In other countries, seizures go to general revenue, which means that the incentive to do it is diluted enormously. This is especially a problem with small police forces, or small polities where fines become a large proportion of revenue. You'd think that for the FBI the incentive would be diluted, given how huge they are, but m…
If I go take someone's wallet, I don't get to get away with calling it a "seizure", "forfeiture", or "revenue". It'd be called theft or robbery, and I'd go to prison.
There's something infantile about how we go along with the state's fictions and pretenses rather than just calling their wording of "civil forfeiture" by its natural wording of "robbery".
I think the origin of this the formation of "district attorneys", followed by only allowing them to prosecute, as well as professional police forces. This is a sharp deviation from and degradation of common law, which used to allow anyone to initiate a prosecution against anyone, and which levied the responsibility of law enforcement on everyone.