At the end of episode Gil sends off for a grant in hopes of getting Warrick's investigation tool. When he puts the form in the envelope, the address is three lines. In the close-up shot of the envelope afterward, the address is two lines. Later, when Gil licks the envelope, there are three lines in the address again.
In the break room, Catherine peels an orange and hands some to Warrick, but as the camera pulls back, Catherine is still taking the peel off the orange.
When timing the spray paint there is the sound of a digital stopwatch being pressed but Catherine has a mechanical stopwatch
O'Riley says that the victim, William Cartson was a Second LT. However, in the photograph, Cartsen is wearing the US Army (Class B) uniform of an enlisted man.