Federal agents descended on Chicago's Lawndale neighborhood on Tuesday as part of the Department of Homeland Security's" Operation Midway Blitz," a surge of immigration enforcement in the city. Agents from Immigration and Customs Enforcement( ICE), along with Alcohol, Tobacco, and Firearms( ATF) agents arrested three men they say are suspected gang members. ABC News Chief Justice Correspondent Pierre Thomas spoke with the head of the ICE operation targeting criminal offenders who are in the U.S.