The killer of five women at a Lane Bryant store in Tinley Park made sexual advances on at least one of the victims before the slayings and may have targeted a women's shop to avoid confrontation with men, a source said Monday. The gunman entered the store after 10 a.m. Saturday and chatted briefly with some of the victims before announcing a holdup, and may have initially feigned that he was making a delivery, sources said. He then took the women to a back room and bound them with duct tape he had brought with him, a law-enforcement source said....