Posted Friday, January 6, 2012 --- 11:50 a.m.

From the Grant County Sheriff's Department:

On Wednesday, Jan. 4, the Richland-Iowa-Grant Drug Task Force received information about a delivery of heroin that was going to take place in the City of Boscobel.

With the assistance of an undercover officer, the delivery of heroin took place.

With surveillance in place, a felony traffic stop was conducted on the vehicle owned by 21-year-old Madison resident Natasha C. Kroon after the delivery.

Authorities arrested Kroon along with 20-year-old Autumn L. Jones from Blue River, and 22-year-old Michael T. Halverson from Fennimore.

All three were charged with Delivery of a Controlled Substance.

Jones was also charged with driving under the influence of a controlled substance.

The suspects are still in the Grant County jail.