Early Sunday morning, 28-year-old Vincente Flores and 30-year-old Osmia Flores were gunned down after some sort of tiff outside a Valero gas station in Dallas, Texas.

In the days since, police there have described a person of interest โ€” "Hispanic man, 21 years old, 5-foot-6 and 150 pounds" โ€” and released video of a "black four-door sedan" that they believe said person of interest was driving.

Our challenge here today: What kind of black four-door sedan is it? Here's the video: