POSTED: Tuesday, January 18, 2011 - 1:19pm
UPDATED: Tuesday, January 18, 2011 - 7:33pm
MEXICO CITY - Mexican police say they have arrested one of the founders of the notorious Zetas drug cartel.
Flavio Mendez Santiago was arrested in a raid in Mexico's southern state of Oaxaca.
Investigators believe he is one of the founders of the Zetas, one of the most violent drug cartels in Mexico.
He was on a list of the 37 most dangerous criminals in Mexico.