The Babysitter (2006)

Joey Marlin quits his job of protecting kids for the Ransfeild Police Department after a child under his protection dies in front of him. After three months of haunting memories, Joey comes across Alice Braxton a scared girl that had just witnessed her parents murder. Joey tries to take her to the police station but come to find out that the detectives that work there were the ones that had killed her parents and are now after her. With no choice, Joey takes on the responsibility of protecting another child and uncovering the motives behind the murders.