GREEN BAY, WI (WTAQ) - Green Bay Police continue to hunt down a white Grand-Am involved in a fatal hit and run in early July.  Police are now looking for two vehicles that may have witnessed the accident, or were at the scene immediately after it.  Police are searching for two large black SUV type vehicles that were heading west and pulled over next to each other near the 1400 block Main Street.  The hit and run happened Sunday, July 7^th around 7:24 p.m.  Police are asking the drivers to come forward because they may have important information and don’t know it.  The suspect vehicle is described as a two-door 1999-2001 white Pontiac Grand Am SE.