Original sentence: Often houses in rich areas are converted into laboratories, producing drugs
Edited sentence: Mexico has increasingly become a major producer of amphetamines and other synthetic drugs  in the North American Market (e.Since early 2007, the export of manufactured drugs has been controlled by the Beltran-Leyva brothers (Sonora-Sinaloa-DF) and "la Familia de Michoacan".These two crime groups have controlled the corridors from the deep sea port of Lazaro Cardenas in Michoacan, where precursor products to manufacture synthetic drugs are imported from the far East.crystal), especially in the States of Guerrero, Michoacan, Jalisco and the Distrito Federal