When the stick-up guy enters the Chinese restaurant and pulls out the gun, the shot of the table shows Walsh with his gun pointed at the criminal but the close-up of Banks has Walsh with his back to the criminal. Walsh has again his gun pointed at the bad guy when the tablet is shown again.
At a half hour into the episode, Delahoy logs into his computer to pull up the missing person reports associated with a suspect. The report that he pulls up has its title misspelled as "Mission Person."
When the arrest record for Reginald Worthy is shown on Delahoy's computer screen, it's very obviously pasted over; there are remnants of another screen shot behind it at a different angle.