The mother of Paul Yaw tells CBS News she is anguished over her son’s killing, which has recently been classified by the Stockton Police Department in California as part of a pattern of slayings in the city. The department says five men have all been shot to death between July 8 and Sept. 27. They were all ambushed late at night or early in the morning while it was still dark out and they were all alone. Inside Edition Digital’s Mara Montalbano has more.