When they get back with the Levaquin, Dr. Kenchy prepares a syringe, April then injects the Levaquin into the IV and withdraws the needle. Moments later, she's injecting the Levaquin. It wouldn't make sense that there would be two injections rather than one.
When the Gray Anderson and the cop are at Robert Hawkins' house, the Cop is wearing his jacket just before Gray asks to look around then it goes back to the cop and hes not wearing a jacket, then back to Gray then back to the cop and he's wearing his jacket again.
About 12:50 into the episode, just after the boys talk about the mercenaries and before they get up off the floor, one of the 'dead' soldiers is seen obviously breathing.
The injured contractor asks how Jake knew he was with Ravenwood. Jake replies that he was in Iraq, ignoring the fact that the contractor has a bright red "Ravenwood" patch on the front his uniform.