Houston officials monitor fallout from Mexico cartel killing. What to know about CJNG and El Mencho

After the killing of CJNG leader El Mencho, officials say the cartel has a Houston presence. Here's what authorities are watching locally.
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Fallout continues in Mexico after cartel leader is killed

25 National Guard members in Mexico have been killed following the death of powerful drug cartel leader, El Mencho, was killed. David Shirk, a political science and international relations professor ...