A 23-year-old pizza delivery man was just doing his job this weekend, delivering pizzas to hungry Texans in southeast Houston.

Then, for reasons unknown at this point by cops, one of the tires on Courtney Spect's car went flat. With hot pies in his car still undelivered, Spect began to change his tire.

But Spect never finished — a passerby soon stopped, got out of his car, and beat Spect to death before hopping back in and driving off, the Houston Police Department alleges.

Click here to read the report on MyFoxHouston.com.

Cops said they believe the suspect was angered by Spect's driving.

Police are looking for a Ford Explorer in connection with the case. The SUV is gold or brown in color, and the plates begin with with 8-5-6, and end with a 2.