578.423. Participating Knowingly in Criminal Street Gang Activities — Penalty
Helping a gang commit crimes can land you in prison in Missouri
It’s illegal in Missouri to knowingly be involved in a criminal street gang and help carry out felony crimes.
According to the statute:
- A person breaks the law if they actively participate in a criminal street gang,
- Know that the gang is involved in ongoing criminal activity, and
- Intentionally help or support the gang in committing a felony.
This law targets those who promote, further, or assist in serious gang-related crimes — even if they didn’t commit the main crime themselves.
Penalty: This offense is a class B felony.
View the full statute text here.
Contact us online or call (314) 900-HELP to talk with a Missouri criminal defense lawyer.
