Last year , more than 100 police were killed in Ciudad Juarez in attacks blamed on organized crime . Vista Hermosa Mayor Octavio Manuel Carrillo Castellanos killed outside home . - July 2, 2009 – Two men were shot and wounded in a drive-by shooting on the east side of San Antonio. Drug traffickers have adopted campaign of intimidation against authorities . U.S. State Department issues travel alert for Americans considering visit to Mexico .
Vista Hermosa Mayor Octavio Manuel Carrillo Castellanos killed outside home . - July 2, 2009 – Two men were shot and wounded in a drive-by shooting on the east side of San Antonio. Drug traffickers have adopted campaign of intimidation against authorities . U.S. State Department issues travel alert for Americans considering visit to Mexico .