The U.S. attorney’s office today announced that 19 people had been charged in a federal drug investigation nicknamed Operation Mad Hatter.

A release from Cody Hiland’s office said 15 people were in custody and large quantities of cocaine, ecstasy, methamphetamine and heroin had been seized, along with $107,000 in assets and firearms. The 19 were named in an indictment unsealed Aug. 7.  Related arrests began in February.