police say 18-year-old bianca roberson was leaving a mall after shopping for new clothes for college. surveillance video captured the moment the suspect in the red car pulled next to roberson and then shot her in the head. her car veered off the road and crashed into a tree. roberson was supposed to leave for college in just a few weeks to start her freshman year. police are searching for the man responsible and offering a $5,000 reward for any information. a violent start to fourth of july weekend in chicago. "chicago tribune" is now reporting 22 people were shot since yesterday and three of those were fatal. now, making true a campaign promise to drive crime out of here's what he said in february. >> what is going on in chicago to allow i mean literally hundreds of shootings a month.