LATIMES — A Mexican law enforcement helicopter crossed into U.S. airspace and fired two shots, just missing American Border Patrol agents and prompting a quick apology from Mexican authorities in what is the second incursion this year of Mexican forces into United States territory, U.S. law enforcement officials said Friday. The incident, now the subject of an FBI criminal investigation, occurred about 5:45 a.m. Thursday in southern Arizona, about 100 yards north of the U.S.-Mexico border, as Mexican law enforcement officers were chasing kidnapping suspects trying to escape into the United States, U.S. officials said. No one was injured, U.S. officials said, but gunfire came within 15 yards of two U.S. Border Patrol agents and their vehicle near the town of San Miguel, Ariz. [Read More]