Five teens are arrested on drug charges....The arrests come after a six-month investigation by the Jackson County Sheriff's Department.The Sheriff's Department says Hong David Phaengkhouane ((FANE-QUANE)) and Tyler Joe Ayers ((A-EERS)), both of Willmar, were arrested yesterday for the delivery of cocaine.Authorities also arrested Michael Sibou ((SI-BOW)) of Jackson, and Trent DeRuyter of Worthington.All four of those men were arrested in the city of Jackson.Authorities also say they arrested a fifth person in Lakefield.Zachary Hinrichs ((HINE-RICHS)) was booked on a controlled substance charge.And today: The Jackson County Sheriff's office arrested a sixth person.19-year-old Gregory James Carlson was arrested on a controlled substance crime.All six men are in the Jackson County jail while they wait for their initial court appearance.