Metro police, national security agencies and truck rental headquarters had been educating Las Vegas employees about suspicious customer behavior. “We have been doing training dating back to November 2016 — after the Paris and Nice attacks — as part of our ‘See Something, Say Something campaign,’” said Las Vegas Metro Police spokesman Jay Rivera. Rivera said the LVMPD has visited many rental companies as well as other transportation companies, including taxis, Uber and Lyft. He did not say how many local transport companies Metro has visited to date.