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
2015 San Bernardino attack
2015 San Bernardino attack
Ralph Deleon