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KANSAS CITY, Mo.  – Four people, including a mother and two of her children, have pleaded guilty in a $5.4 million conspiracy to distribute methamphetamine in northwest Missouri and northeast Kansas.

Federal prosecutors say 67-year-old Linda Kay Ballard; her 27-year-old son, Eric Edward Ballard, both of Atchison, Kansas; and her 35-year-old daughter, Charlsie Kim Harris, of Garden City, Missouri, pleaded guilty Wednesday.

A fourth person, 48-year-old Anthony Dewayne Fifer, of Mexico, Missouri, also pleaded guilty to distributing meth from January 2015 to November 2017. The four defendants also pleaded guilty to participating in a money-laundering conspiracy.

They are among nine defendants who have entered guilty pleas in the case. The methamphetamine was distributed from Kansas City to the St. Joseph and the Atchison, Kansas, areas.