LaSalle Police have now released the name of the Amherstburg woman charged after 130 capsules of fentanyl were seized.
Police say 20-year-old Jill Gignac has been charged with possession for the purpose of trafficking and breaching conditions.
On Tuesday, LaSalle Police arrested her and seized the capsules.
She was arraigned and remains in custody.
Police say the approximate street value of the drug is $9100.