Morelia arrests Juan Francisco Rivera , known as ` the `` Michoacan Family He heads the `` Mexican Family , '' accused of setting grenades that killed eight . Some question military 's role in the war against narcotics traffickers .
Mexico arrests Alberto Espinoza Barron , known as `` the Strawberry '' He heads the `` Michoacan Family , '' accused of setting grenades that killed 8 . Some question military 's role in the war against narcotics traffickers .