Calgary police will reveal details Thursday about how they smashed a city-based crime cartel involved in murder, massive importation of drugs and money laundering.

Tentacles of the gang spread as far as Mexico, and Postmedia sources say they had connections with notorious drug cartels there.

Postmedia has also learned the group has been tied to a brazen daylight shooting May 21 that left two men dead in a southeast Calgary Superstore parking lot.

Sources say the bust is so significant that members of the U.S. Drug Enforcement Adminstration (DEA) will be on hand when police reveal details at a news conference Thursday morning.

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