Negligence suit filed against Sycamore police officer, son

SYCAMORE -- The mother of shooting victim Thomas Kosta filed a lawsuit on Friday against Sycamore police officer Rob Rosenberg and his 17-year-old son, Steven, seeking more than $350,000 in damages. Jacquelyn Kosta, who was appointed the administrator of Thomas' estate in June, claims negligence on the part of the Rosenbergs for the events leading up to Thomas' death inside the Rosenberg home on May 11. In part, the suit states that the Rosenbergs "carelessly and negligently failed to keep (a) handgun and live ammunition under lock and key when the defendant knew, or in the exercise of ordinary care, should have known that (Steven) was aware of the presence of (a) handgun and live ammunition. "As a direct and proximate result of the aforesa