The Philadelphia Parking Authority is looking for new leads in a murder that took the life of one of their employees last December, 6ABC reported.

The employee, 34-year-old Mark Marshall, was shot and killed while out walking his dogs in South West Philadelphia. 

The case remains unsolved and without any leads, save for a police sketch of a suspect. 

In order to draw out any information from the public, the PPA is offering a reward of $32,500.

"There is no price someone can put on a life," PPA Executive Director Vince Fenerty explained. "Mark Marshall lost his at the hands of some criminal, some actual individual who had no regard for his life, for his family. He left two children."

Those with tips are urged to contact the Philadelphia Police Department.

Matt Lee is a web producer for Metro New York. He writes about almost everything and anything. Talk to him (or yell at him) on Twitter so he doesn’t feel lonely @mattlee2669.