Robber hits north Houston store, makes slow getaway on bike

Houston police investigators are trying to track down a man believed to be behind several north Houston robberies -- who uses a bike as his getaway vehicle.In a Monday morning news release, police said they are looking for a man believed to have committed several robberies at a store on the 1400 block of Gulf Bank in north Houston in May.On May 21 at 4:20 pm, police said, the man entered a store, approached the clerk, pretending as if he was going to buy something. When the clerk opened the cash