Misprision, in law, any serious offense that has no specific name. The 18th-century English jurist Blackstone defined misprision as a crime less than, but bordering on, treason or felony. A positive misprision is the commission of an act that should not have been committed. A negative misprision is the concealment of something known by a person who has a legal obligation to reveal it. Misprision of treason or of felony is the concealment of knowledge of treason or of felony, without any assent to the crime; assent makes one a party or an accessory to the crime. The concept of misprision of felony is virtually obsolete. Misprision of treason is still a crime and is punished as treason.
It's a pretty straightforward question with an obvious answer, right? Well, yes, until you start peering at both federal and state laws. That's when things start to get interesting.
In their own vision of themselves, Yakuza descend from Robin-Hood-like characters who defended villages from bandits. Today, they operate as a collection of criminal gangs.