A Massachusetts woman and her high school student son are charged with running a heroin ring from their apartment, allegedly stashing the drugs in a shoebox in the 16-year-old's closet.

The Berkshire Eagle (http://bit.ly/1GJJprm ) reports that Glendaliz Rios of North Adams was held on $35,000 bail after pleading not guilty Tuesday to causing a minor to distribute a drug, conspiracy to violate drug laws with a minor, and related offenses.

Police say 32-year-old Rios and her 16-year-old son, a student at Drury High School, were arrested Monday after a raid on their apartment turned up 650 bags of heroin, more than $16,000 in cash and two unlicensed handguns.

Authorities say the teen shared the bedroom where the heroin was kept with a 7-year-old boy.

Rios' attorney could not be reached.

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Information from: The Berkshire (Mass.) Eagle, http://www.berkshireeagle.com