ORANGE (CBSLA) — The CHP says that it is working overtime looking for the road rage shooter who killed a 6-year-old boy in the city of Orange.

The suspect vehicle in connection with the May 21, shooting has been described as a rare, white, late model Volkswagen Golf SportWagen.

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Authorities say a man in the passenger seat fired the shot that killed Aiden Leos, who was traveling in a vehicle on the 55 Freeway in Orange. The driver of the suspect vehicle was believed to be a woman.

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Meantime, people continue to pour out their love and support at a growing memorial.

“A 6-year-old kid who didn’t grow up to be married, have kids,” said Christian Vasquez, a mourner. “I recently got my license and I am under 18 and the fact that, road rage, it scares me. What did a little kid have to do with this?”

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A $325,000 reward is being offered for any information that will lead to the arrest and conviction of the perpetrators.