Cops say ... Camacho's friend, who was driving the car, was in possession of 9 baggies of coke ... and a 10th baggie was found inside the vehicle. Cops say the 10th baggie was open when they found it.
As we previously reported, Camacho and his friend Adrian Mojica Moreno were hit in a drive-by shooting while sitting inside of a parked car.
Moreno died at the scene ... and Camacho -- who was hit multiple times in the face and neck -- was rushed to a nearby hospital where he went into cardiac arrest.
Camacho's rep tells TMZ, the boxer is brain-dead ... and doctors have said he will need a miracle to survive.