Both of the vehicles used in the New Orleans and Las Vegas attacks on New Year's Day were rented through the same car-sharing app, Turo. Why it matters: The high-profile incidents raised questions about the app's vetting process and security measures.

Turo CEO Andre Haddad has expressed outrage and heartbreak over two separate deadly incidents in Las Vegas and New Orleans, both involving vehicles rented from the car-sharing app, and is consulting with national security and counterterrorism experts to improve the company's trust and safety practices.