"People walk up to ask questions all the time about work, directions," he said. "This grey Honda pulls up, a guy gets out... and then he stuck a gun in my face."
Martinez had been ambushed. The robber demanded his cash.
"At first I told him 'no,'" he said. "Then the other guy in the car got impatient and walks out and points his gun at me."
They patted him down, insisting the young husband and father had more to give. $200 in cash, his wallet and phone was their haul.
It didn't end there. Within a few minutes, the robbers hit another man walking alone in the area. Houston police data indicates five similar robberies were committed that day. In each case, those robbed described two Hispanic men in a grey Honda.
And it continued. Two were robberies were reported today involving 2 men in a grey Honda.
All the robberies appear concentrated in the near north to northwest side of Houston, including the Heights area.
The suspects are said to be in their 20's, each has a closely-shaved head. One is medium height, about 230 pounds with a tattoo on his hand. The driver is said to be short and thin.
Anyone with information is asked to call HPD's Robbery Division, or Houston Crime Stoppers.