Ronald Castle, 55, was found dead in Houston, Texas, on November 6, 2017. Police determined he had sustained multiple gunshot wounds in a shooting in the North Houston area; he was pronounced dead shortly after first responders arrived.

That year saw nearly 269 homicides in Houston, and Castle’s death was among those incidents that led law enforcement to focus on curbing gun violence. The case remained an open investigation with detectives following up on leads.

Did anyone in the North Houston area on November 6, 2017, see or hear anything that could help investigators?