HAMILTON Crime Investigation Unit (CIU) detectives played a supporting role in a seven-month investigation into drug trafficking in Warrnambool, which saw two women and one man arrested and charged.

Led by Warrnambool Divisional Tasking Unit officers, the investigation, which was part of Operation Groats, also involved Warrnambool and Portland CIU detectives as well as officers from the Warrnambool Crime Scene Services, Sexual Offences and Child Abuse Investigation Team and Family Violence Unit.