(Gregory Bull | The Associated Press) People hold hands in prayer during a protest near the border with Tijuana, Mexico, Monday, Dec. 10, 2018, in San Diego. U.S. Border Patrol agents have handcuffed more than a dozen people participating in a demonstration organized by a Quaker group at the U.S.-Mexico border, calling for the end of the detention and deportation of immigrants and the militarization of the border.