Crimestoppers doubled the reward to $5,000 for information that leads to the killer of an AmeriCorps volunteer.
Joseph Massenburg graduated from high school in the Chicago area last spring and came to New Orleans to install energy efficient lighting.
He was walking near his home when he was shot and killed at the intersection of Birch and Eagle streets.
Superintendent Ronal Serpas says his department needs more help from the community to solve the case.
“If you saw something, if you know something, no matter how insignificant it may seem to you, it could be the last thing we need to make the difference in this case.” said Serpas.
Officers are searching for a white SUV seen leaving the area around the time of the shooting.