Las Vegas, NV (KTNV) -- The Nevada Highway Patrol is trying to determine whether a car stalled or cut in front of a tractor-trailer that plowed into it.
It happened on I-15 near St. Rose Parkway on Monday night.
A man and woman were killed.
The man has been identified as 26-year-old Gustavo Macias of Moreno Valley, California.
The woman killed has been identified as 25-year-old Yoshiko Brigette Morishita, also from Moreno Valley.
Officials said the truck driver claimed he didn't see the car.
His injuries were minor.