The 15-year-old Mexican boy who was shot dead by a Border Patrol agent as U.S. authorities came under attack along the border Tuesday was known to authorities as a juvenile smuggler, sources close to the investigation told Fox News. Sergio Adrian Hernandez Huereka was shot once near the eye as U.S. Border Patrol agents on bicycles were "assaulted with rocks" as they tried to detain illegal immigrants on the Texas side of the Rio Grande. Huereka was charged with alien smuggling in 2009, according to sources who requested anonymity. Further details were not immediately available. FOXNews.com - Mexican Teen Killed on Border Was 'Known Juvenile Smuggler,' Sources Say calderon can go suck some donkey dick.