ST. CLOUD - We have more information on the investigation that lead to a lockdown of all state prisons.

The U.S. Attorney's Office says they've charged 24 alleged members of the Native Mob gang with conspiracy to participate in racketeering activity and other crimes.

The Native Mob is a regional criminal gang that routinely engage in drug trafficking, assault, robbery, and murder.  Membership is estimated at 200.

Six defendants made their initial federal court appearance late Tuesday afternoon.  They were arrested earlier in the day, during a statewide investigation that involved local, state and federal enforcement officials.  Arrests were made on the White Earth, Mille Lacs, and Leech Lake Indian reservations as well as in the Twin Cities.

Of the 18 remaining defendants, 12 are currently in jail on other charges, and six are still at large.