Illegal immigrants captured on WASHINGTON borders down 48 percent in nine-month . One factor cited by officials is the end of the practice of releasing non-Mexican immigrants , pending court hearings . Officials say enforcement having deterrent effect on illegal immigration . Official : Use of The Border Patrol troops along non-Mexican border may be a factor .
Illegal immigrants captured on WASHINGTON borders down 48 percent in nine-month . Officials say enforcement having deterrent effect on illegal immigration . Official : Use of The Border Patrol troops along non-Mexican border may be a factor .