Visible crew/equipment: When Becker is shot while eating a sandwich and watching TV, the leads to his gunshot squib can be seen coming out of the bottom of his trouser leg as he reels back from the impact of the blast.
Visible crew/equipment: In the shoot out scene at the train station between Captain O'Malley and the bad guys, through O'Malley's shirt you can see the patch strip they use to make the fake bullet holes when he gets shot. You see it well because he gets shot in slow motion.





Answer: The cover story was that it was a drug deal gone wrong, which led to the murders. The child witnessed them planting evidence and would be able to blow the cover story.