At around the 28 1/2 minute mark a trail camera is shown using a flash as it takes a picture at night, trail cameras use infrared light to take pictures at night, not a flash.
When Charlie is recalling the story on how Rachel died its supposed to be night, however the sun is clearly shining through the window.
4 ½ minutes in, while at the gas station, it's clearly visible that the filler cap is on the left side of the vehicle while the pumps are on the other. But Kara is standing on the right side pretending to refuel.
Colonel McAllen has on the uniform and insignia of a four-star general.
Throughout the film Annie uses an inhaler but never actually presses the button to expel the contents into her lungs.