Although the site say the Chicago Police uniforms are perfect, their hats are incorrect. The uniformed police officers have three rows of checker patter as a hat band, the real Chicago Police have only two. Blue and white for patrol officers and gold and blue for supervisory members.
Talridge is only in the hotel for a couple of minutes when O'Malley shoots him with tranq darts which he says will cause a couple of hours' worth of amnesia. However, when O'Malley meets Talridge at the bar later, Talridge remembers being at the hotel.