A California woman pleaded guilty Thursday in federal court in Boston to her role in a money laundering conspiracy involving proceeds of methamphetamine and marijuana distribution. The woman assisted her husband in laundering drug proceeds in Boston. In total, over 160 pounds of pure methamphetamine, as well as an AK-47, a Glock with no serial number, two loaded Smith & Wesson handguns, and over 4,200 rounds of ammunition were seized during the investigation. Read: Iran’s UN Mission Says Its Attack On Israel Has “Concluded” Cautions U.S. To Stay Away An illegal marijuana grow operation with hu…