sentences:  He is accused of many killings in Ciudad Juarez, including the notorious massacre of 18 patients of the reahabilitation center "El Aliviane".It is believed that Marrufo armed his gunmen with weapons purchased in the United States.Donald Trump won the 2016 U.S. presidential election partly with campaign promises of building a border wall with Mexico (the 'Trump Wall') and renegotiating the NAFTA trade agreement.