A Catholic church in Mexico is being investigated following allegations it received funds from a major drugs cartel.<br /><br />Heriberto Lazcano, one of the leaders of the Zetas gang, is said to have laundered money via the chapel's priest.<br /><br />US authorities are offering a bounty of more than $7 million for Lazcano.<br /><br />Al Jazeera's Franc Contreras reports.
