In early 2016, the FBI began to look into ties between the "Inland Empire Cell" and individuals connected to the 2015 San Bernardino attack. In late May 2016, the FBI accused Enrique Marquez Jr. of having ties with Deleon and others arrested with him, planning an attack on vehicles on California State Route 91, but stopping after Deleon and others were arrested. In August 2016, presidential candidate Donald Trump, referred to Deleon during a speech regarding immigration.