Gold and silver-plated jewel-encrusted guns

Police in Mexico raided a basement finding 31 diamond-studded guns, presumably belonging to a drug cartel boss. Officers in western Jalisco found 31 gold- and silver-plated handguns of varying caliber studded with diamonds and engraved with the name 'Lobo Valencia'

The basement in Zapopan also yielded four rifles, 700 rounds of ammunition, 200 grams of marijuana, jewellery and documents bearing the name of Oscar Orlando Nava Valencia

Some of the seized weapons are displayed to the press

A silver-plated jewel-encrusted Colt .39 automatic handgun

A jewelled handgun bearing the name "Lobo"

Gold and silver-plated automatic weapons

October 30, 2009: Oscar Orlando Nava Valencia, aka "El Lobo", is presented to the press along with other alleged members of the drug trafficking gang "Cartel de Los Valencia" at the Attorney General's office in Mexico City

October 30, 2009: Angel Bejar Chavez, aka "El Chino" of the drug trafficking gang "Cartel de Los Valencia", is presented to the press at the Attorney General's office in Mexico City

30 October 2009: A soldier stands near guns and ammunition seized along with chemicals to make synthetic drugs during an operation in Apatzingan, Michoacan state, Mexico. In the same operation Francisco Perez, alias 'El Lobo' ('The Wolf') was captured. He tried to escape after he noticed the presence of the officers

Valencia is the right-hand man of Joaquin Guzman (pictured during a 1993 arrest), who tops the Mexican law enforcement wanted list

22 February 2010: Mexican federal police members guard alleged drug trafficker Jose Vazquez Villagrana, alias 'El Jabalí, during a press conference in Mexico City. He allegedly imported drugs from Nicaragua, Colombia and Jamaica into Mexico via Panama, to be delivered to the Sinaloa cartel

9 February 2010: Mexican police show 11 alleged members of the Sinaloa Cartel who were captured during an operation in La Paz city, Baja California state, slong with drug lords Jose Manuel Garcia Simental, 'El Chiquilin', and Raydel Lopez Uriarte, 'El Muletas'

17 June 2009: Part of a clandestine drug laboratory is presented to the media in Badiguarato, northeastern Sinaloa state, Mexico. Some 49,640 litres of liquid ephedrine to process synthetic drugs were discovered in the lab, considered to be one of the biggest in Latin America

21 January 2008: Members of the Mexican Army escort Alfredo Beltran Leyva, also known as 'El Mochomo', at Mexico City's International Airport. 'El Mochomo', considered by the Mexican authorities as one of the leaders of the "Guzman-Loera" drug dealing organisation, was captured along with three members of his security staff during an operation in Culiacan, Sinaloa state

3 May 2010: Five alleged drug traffickers are shown to the press by the Mexican Navy at the port of Salina Cruz, Mexico, after been arrested onboard a fishing boat carrying 2.4 tons of cocaine