Military Police acted after an anonymous tip that two individuals would move a drug shipment by car.[1][2][3] Officers located the car on the LMG-629 near Taiobeiras, by km 15, at about 22:50 on the night of Friday 30 October.[1][3][4] Two men aged 19 and 21 who were in the vehicle were arrested.[1][2][3][4] A search found seven marijuana bars inside a bag and a cocaine portion in a bag on the vehicle seat.[1][2][3][4] In follow-up checks police went to a second address in the Santos Cruzeiro neighbourhood in Taiobeiras.[1][2][3] A 27-year-old man was arrested in flagrante during those checks.[1][2][3][4] The three detainees were taken to the Civil Police station with the seized material and the vehicles were removed to an accredited yard.[1][2][3]

In total police listed seven bars and eight portions of marijuana, one bar of coca paste, nine portions of cocaine and seven crack rocks.[5] Police also collected a .40-calibre round, R$163 in cash, four mobile phones, a precision scale and two vehicles.[5]

The driver told police he would receive R$1,500 to collect the drugs in Taiobeiras, while the passenger said he would receive R$100 for accompanying him.[1] The initial stop was about 15 kilometres from Taiobeiras, where police had found seven bars of suspected marijuana in the car boot.[5]