 A Rainbow Farm festival was linked to the death of a Berrien County teenager killed April 21, 2001, after his car crashed into a school bus carrying Eau Claire High School students.After a few months of unsuccessfully trying to gather evidence using undercover police officers, the investigation eventually came to a head in early May 2001, when Michigan State Police troopers served a tax-fraud warrant and found more than 200 marijuana plants.Tom and Rollie were arrested on felony manufacture and weapons charges, and Rollie's son, Robert, was taken into foster care.