https://www.youtube.com/watch?v=l4tCZgoRGiUMax Mermelstein says here 1:15:25 that the Medellin cartel didnt want to work with the Italian mafia in US cause it happend in several occassions that the Mafia would shoot the delivery guys take the stash and simply not pay up.
I wonder did this happened in NY or somewhere else in the states? Cause in newyork the Colombians were strong it seems unlikely they will not strike back.
