Boobra

Time's Up - S4-E4

Plot hole: In Episode 4-4, "Times Up," it is stated that Kevin Murray will be killed at 9:45. When Mac is standing over the dead body, he looks at his watch. It is 9:45 and he says, "Right on time." Unless Mac was standing on the sidewalk when he flew out of the window, he actually would have died earlier, since it would have taken time for the police to be called and arrive on scene.

Boobra

Can You Hear Me Now? - S4-E1

Plot hole: The coroner found the ticket stub in the throat of the guy whose tongue was cut out, he died in the ER. The ER staff would have have found the ticket stub while trying to save his life. With the tongue being cut out they would have opened up his mouth to stop the bleeding.

Boobra

Silent Night - S3-E12

Plot hole: In episode "Silent Night": When the mother checks on the baby in the first scene, you see the killer knock over the snow globe. The mother wouldn't have heard it since she was deaf, but she would have felt the vibration on the hardwood floor from the heavy object hitting the floor.

Boobra