<div class="at-above-post addthis_tool" data-url="http://www.metro.us/central-american-gangs-raising-fears-in-southern-mexico/"></div>TAPACHULA, Mexico (AP) — With threatening phone calls, burned minibuses and at least three drivers shot to death, street gangs more closely associated with Central America are imposing their brand of terror-based extortion on public transportation drivers in southern Mexico. Organized crime groups including the rival Mara Salvatrucha and Barrio 18 gangs have long maintained […]<!-- AddThis Advanced Settings above via filter on get_the_excerpt --><!-- AddThis Advanced Settings below via filter on get_the_excerpt --><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons above via filter on get_the_excerpt --><!-- AddThis Share Buttons below via filter on get_the_excerpt --><div class="at-below-post addthis_tool" data-url="http://www.metro.us/central-american-gangs-raising-fears-in-southern-mexico/"></div><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><!-- AddThis Related Posts below via filter on get_the_excerpt --><div class="at-below-post-recommended addthis_tool" ></div><!-- AddThis Related Posts generic via filter on get_the_excerpt -->