One year ago this month Brian Boyle, 30, was walking home from Kingfish Pub in Oakland when someone shot and killed him.
Police have just released new pictures of the two vehicles they are looking for.
The first car is a silver 2003-2007 4-door Honda Accord with a sunroof.
The second car is a 2013-2015 white Chevy Malibu.
If you have seen these vehicles or have any information on the investigation you can call the Oakland Homicide Tip Line at 510-238-7950.