By 2003, Damian Campos, a Mexican immigrant, had seven arrests for driving under the influence in northern Colorado and used 13 different names. Immigration officials never tried to deport him — not until he rolled a vehicle last year, killing Marcos Martinez, one of his softball teammates. Police suspect Campos was driving drunk that day in May, too, according to Colorado Bureau of Investigation and court records. A jury in Weld County deadlocked on a DUI charge but convicted Campos of vehicular homicide-reckless driving. ~snip~ That he did not come to immigration officials' notice earlier is not a surprise. DUI...