Frank Haas of Kapiʻolani Community College speaks during the International Tourism Security Conference at the Treasure Island hotel-casino on Tuesday, April 17, 2018, in Las Vegas. David Becker/ …

Frank Haas of Kapiʻolani Community College speaks during the International Tourism Security Conference at the Treasure Island hotel-casino on Tuesday, April 17, 2018, in Las Vegas. David Becker/Las Vegas Review-Journal Follow @davidjaybecker