In correspondence with assistants to President Dwight Eisenhower, Harlon Carter, head of the Border Patrol, planned Operation Cloud Burst, which requested an executive order to mobilize the military to round up illegal entrants at the southwestern border and to raid migrant camps and businesses in the interior of the United States. In deference to the Posse Comitatus Act of 1878, Eisenhower declined to authorize the use of Federal troops, instead appointing Army General Joseph May Swing to head the Immigration and Naturalization Service.[30][3] Eisenhower appointed Swing as INS Commissioner and gave him the power to resolve border control issues in order to stabilize labor negotiations with Mexico.
https://en.wikipedia.org/wiki/Operation_Wetback
In correspondence with assistants to President Dwight Eisenhower, Harlon Carter, head of the Border Patrol, planned Operation Cloud Burst, which requested an executive order to mobilize the military to round up illegal entrants at the southwestern border and to raid migrant camps and businesses in the interior of the United States. In deference to the Posse Comitatus Act of 1878, Eisenhower declined to authorize the use of Federal troops, instead appointing Army General Joseph May Swing to head the Immigration and Naturalization Service.[30][3] Eisenhower appointed Swing as INS Commissioner and gave him the power to resolve border control issues in order to stabilize labor negotiations with Mexico. https://en.wikipedia.org/wiki/Operation_Wetback