Man shot and killed on subway platform in midtown Manhattan

• Darryl Rodriguez, 26, was shot and killed on the E train platform at 53rd Street-7th Avenue.
• Rodriguez, with no criminal record, was waiting for a train to go home when the incident occurred.
• The suspect approached Rodriguez, displayed a gun, and shot him once during an argument.
• Police are actively searching for the suspect involved in the shooting.
• Friends and neighbors remember Rodriguez as a twin and a dedicated security guard.