Warriors and Guardians - S2-E4
Other mistake: The driver in the blue Mustang (Osito) drives past Nolan and Harper, then makes a u-turn and drives past them again, to Nolan and Harper's left (same direction he came from), but when Nolan and Harper go to chase him, they turn right instead of left. (00:31:15)
Other mistake: In the morgue, officer Thorsen says that Harper can use his reservation at a certain restaurant that evening, and she texts James to ask him out. But Thorsen never told her the time of the reservation, and yet she manages to tell James that it is at 7 pm. (00:22:40)
Answer: Window tool.