The multi-agency collaboration has resulted in "over 384,000 illegal immigrant apprehensions and more than 29,000 criminal arrests," including "over 28,000 felony charges reported."
Law enforcement is searching for Francisco Oropesa Perez-Torres, a man accused of killing five of his neighbors in Cleveland, Texas, including a 9-year-old boy, on Friday.
Local authorities and state governments in the northeast U.S. are asking the federal government for more help as they deal with an influx of illegal immigrants crossing from Canada into the U.S.