Border patrols

In this Nov. 14, 2018 photo, Secretary of Defense Jim Mattis and Homeland Security Secretary Kirsten Nielsen, third from the right, visit Base Camp Donna, in Donna, Texas. Mattis says the White House has given him the authority to use military troops to protect Customs and Border Protection personnel at the southwest border. This could, under certain circumstances, mean directing troops to temporarily detain migrants in the event of disorder or violence against border patrol agents. (Joel Martinez/The Monitor via AP)/The Monitor via AP)

Marines install concertina wire, above, as pedestrians leave the United States for Mexico at the San Ysidro port of entry Friday, Nov. 16, 2018, in San Diego. (AP Photo/Gregory Bull)

Amy Juan, a resident of the Tohono O'odham Nation in Arizona, speaks out against the military's presence at the U.S.-Mexico border in Phoenix Thursday, Nov. 8, 2018. Residents of border communities in the Southwest say they oppose President Donald Trump's deployment of thousands of troops to the border in response to a caravan of Central American migrants headed for the U.S. (AP Photo/Astrid Galvan)

President Donald Trump talks to reporters about wanting to change the Fourteenth Amendment, before walking to Marine One on the South Lawn of the White House for a short flight to Andrews Air Force Base then on to Fort Myers, Fla., for a campaign rally ahead of the midterm elections, in Washington, Wednesday, Oct. 31, 2018. (AP Photo/J. Scott Applewhite)

In this Oct. 27, 2018, photo, President Donald Trump speaks during a rally at Southern Illinois Airport in Murphysboro, Ill. Eager to focus voters on immigration in the lead-up to the midterm elections, Trump on Oct. 29 escalated his threats against a migrant caravan trudging slowly toward the U.S. border as the Pentagon prepared to deploy thousands of U.S. troops to support the border patrol. (AP Photo/Jeff Roberson)

Central American migrants traveling with a caravan to the U.S. make their way to Pijijiapan, Mexico, Thursday, Oct. 25, 2018. The sprawling caravan of migrants hoping to make their way to the United States set off again, forming a column more than a mile long as the group trekked out of the town of Mapastepec in southern Mexico before dawn. (AP Photo/Rodrigo Abd)

This undated image provided by Tucson Sector Border Patrol shows the desert terrain close to Arizona's boundary with Mexico near Lukeville, Ariz. Large groups of Guatemalan and other Central American migrants have been abandoned in recent weeks. U.S. Border Patrol officials say the trend is putting hundreds of children and adults at risk. (Tucson Sector Border Patrol via AP)

Law enforcement officers gather near the scene where the body of a woman was found near Interstate 35 north of Laredo, Texas on Saturday, Sept. 15, 2018. A U.S. Border Patrol agent suspected of killing four women was arrested early Saturday after a fifth woman who had been abducted managed to escape from him and notify authorities, law enforcement officials said, describing the agent as a "serial killer." (Danny Zaragoza/The Laredo Morning Times via AP)

This image provided by the Webb County Sheriff's Office shows Juan David Ortiz, a U.S. Border Patrol supervisor who was jailed Sunday, Sept. 16, 2018, on a $2.5 million bond in Texas, accused in the killing of at least four women. Ortiz was nabbed early Saturday after a string of violence against female sex workers in Laredo, Texas, where he is a supervisor with the Border Patrol. (Webb County Sheriff's Office via AP)