Authorities in Arizona are now offering a $50,000 reward for information leading to the arrest and conviction of the "Serial Street Shooter" who has been on the loose since April, after a shooting in July was linked to the same suspect -- or suspects. The "Serial Street Shooter" is believed to be responsible for killing seven people, and injuring two more. On the evening of July 11, a vehicle occupied by a 21-year-old man and a 4-year-old boy was fired on. Neither were injured. This incident brings the total number of shootings believed to have been committed by the elusive shooter to nine. Sergeant Jonathan Howard of the Phoenix Police Department explained to the local CBS affiliate that there have been recurring patterns in the shootings. "It's occurring within a residential area in front of a home," Howard said. "A vehicle, related in the sense that people are either near or in a vehicle, as well as in or