evidence: As the debate over family separation and reunification at the border continues, some are calling for the abolition of U.S. Immigration and Customs Enforcement (ICE). Here’s what you need to know about the movement. [...] - Sen. Kamala Harris (D-Calif.) has called for a "complete overhaul" but not abolition. [...] While Trump has tweeted that Abolish ICE supporters favor open borders, no high-profile backer has called for that.