He said the November 2015 terrorist attacks in Paris were a sign of the type of threats to come in the U.S. and called on local law enforcement to step up their game in localized counterintelligence efforts. As Republican leaders in South Carolina argued against admitting Syrian refugees from the Islamic State of Iraq and the Levant in 2015, Cannon said immigration also posed a challenge because of the difficulty of vetting people seeking to enter the country.