A woman is in police custody after her son told his principal that she had been using drugs, Kare 11 reported.
According to the St. Michael Patch, the boy brought a baggie of drugs to school to prove his claims.
According to the Star Tribune, police tested the substance and determined that is was in fact methamphetamine.
Sabina Coolen, the boy's mother, has been charged with storing drug paraphernalia where a child has access, according to the St. Michael Patch.
If convicted, Coolen could face up to five years in jail, the Star Tribune reported.