A 22-year-old Merritt Island man accused of stealing an elderly couple's car was captured Saturday after authorities used the vehicle's On Star emergency system to track him down, according to Local 6 News. Jamal Williams allegedly stole the car of Ed and Irene Sierzant of Melbourne Saturday. The pair, who are in their 80s, were pumping gas when Williams allegedly approached the couple with a gun and demanded the car. The report said after the vehicle was stolen, the pair called police. The couple's 2006 Chevy Impala, which was equipped with the OnStar system, helped police quickly locate the car...