TUCSON, May 6 (UPI) -- U.S. border agents say they have been warned that they are more likely to come under fire from smugglers hauling drugs for Mexico's notorious Sinaloa cartel.
TIJUANA, Mexico, Oct. 6 (UPI) -- The slayings of 57 gang members in Tijuana, Mexico, in recent weeks is a sign of the breakup of the city's Arellano Felix drug organization, authorities say.
MEXICO CITY, June 11 (UPI) -- Mexican drug cartels have been leaving messages with severed heads and bodies to emphasize the penalties for opponents, police say.
MEXICO CITY, Sept. 30 (UPI) -- Mexican authorities allegedly have linked the nation's top drug dealer, Joaquin ''El Chapo'' Guzman, to four tons of cocaine found at a recent plane crash site.
MEXICO CITY, Jan. 11 (UPI) -- At least eight drug cartels armed with significant economic resources operate in Mexico, officials said Tuesday.
MEXICO CITY, Jan. 4 (UPI) -- Mexican prison authorities vowed to crack down on the nation's top-security prison after the second shooting in three months, El Universal reported Tuesday.
WASHINGTON, Dec. 21 (UPI) -- The U.S. Drug Enforcement Administration offered $5 million for information on a Mexican drug kingpin, El Universal reported Tuesday.
SAN DIEGO, Dec. 20 (UPI) -- The U.S. Drug Enforcement Administration Monday offered a $5 million reward for alleged Mexican drug trafficker Joaquin Guzman-Loera, alias "Chapo" Guzman.
