Gulf of Mexico numerous bays and smaller inlets. A number of rivers empty into the gulf, most notably the Mississippi River and Rio Grande in the northern gulf, and the Grijalva and Usumacinta rivers in the southern gulf. The land that forms the gulf's coast, including many long, narrow barrier islands, is almost uniformly low-lying and is characterized by marshes and swamps as well as stretches of sandy beach. The Gulf of Mexico is an excellent example of a passive margin. The continental shelf is quite wide at most points along the coast, most notably at the Florida and Yucatán Peninsulas. The shelf
Gulf Cartel which has caused several officials—both federal and state—to succumb to the "easy money aspect" the drug money has to offer. The Gulf Cartel also bribes journalists to persuade them not to mention any violent incidents in the media. In addition, due to the low-paying salaries of many policemen, the Gulf Cartel often "buys" many law enforcement officers in Mexico. Theft Stealing oil from PEMEX and selling it illegally has been one of the many funding activities of the Gulf Cartel. They were reported to have stolen around 40% of the oil products in 2011 in northern Mexico and then selling