Visible crew/equipment: When Silvana demands to be in the ambulance, a set light is reflected on the door.
Continuity mistake: Preston takes a cigarette to his mouth, but in the close-up, it vanishes. Seconds later, he picks up a cigarette again.
Continuity mistake: The helicopter takes off, but when Henry and Jessica walk away, it can still be seen on the ground.
Jack & Bill - S6-E5
Revealing mistake: When the episode ends and Bill leans down for the dog to lick him, a shiny light-brown spot is visible on the actor's jaw - seemingly a bit of food placed there to prompt the dog's trained reaction.
Jack & Bill - S6-E5
Continuity mistake: The terrorist removes the foil cap from the champagne bottle, but in the close-up, it’s back on.
Jack & Bill - S6-E5
Revealing mistake: In the toilet scene, when Max slams the terrorist against the wall, he is replaced by a very obvious stunt double with longer hair and a noticeably larger build.
Jack & Bill - S6-E5
Continuity mistake: When Bill bites his sandwich, it alternates between being bitten and completely whole.
Visible crew/equipment: A boom microphone operator holding a pole is reflected in the window once the crime has been solved. (00:41:44)
One Good Bid Deserves a Murder - S2-E17
Visible crew/equipment: When Dr. Dunn is in Jessica's room, the boom mic is reflected in the mirror. (00:27:12)
Visible crew/equipment: When Harry and Amos analyse the bathroom, the edge of the set wall is visible on the right side of the screen.
Murder in the Afternoon - S2-E3
Visible crew/equipment: When Jessica and the Lt. leave for the police station, filming lights, equipment, and a crew member are reflected in the windows.
Funeral at Fifty-Mile - S1-E22
Continuity mistake: Carl arrives at the funeral in his RV and then heads to the house. When he arrives, it's a noticeably different model. The door's moved, the front right window is now segmented, and rails have appeared on the roof.
Revealing mistake: When Emma hits a man using the flower pot, Angela Lansbury's stand-in is a much younger stunt double.
Murder in the Afternoon - S2-E3
Continuity mistake: When Jessica is in the Lt.'s car, he scolds her, signalling with his index finger, which swaps to an extended hand an instant cut later, which is suddenly lowered yet an instant cut later. The way he holds the car keys also changes.
Murder in the Afternoon - S2-E3
Continuity mistake: The doctor steps in and calms down the actor while placing his hand on his shoulder. A shot later, his arm is lowered.
Funeral at Fifty-Mile - S1-E22
Other mistake: In the end credits, Jesús is misspelled Hay-Soos, phonetically.
Revealing mistake: When Jessica is knocked down by the kids, she is replaced with a younger stunt double.
Continuity mistake: When Jessica limps into Milton's car, she holds onto the door. A shot later, her hand is away, and it's Milton's hand instead holding onto the door.
Continuity mistake: When Milton picks up Jessica at the airport, her bag is hanging over her right shoulder. A shot later, she is holding it with her left hand.
Visible crew/equipment: When Milton arrives at the airport, the filming crew is reflected in the glass on the right.
Answer: In a flashback scene, it was shown that he had a violent temper, so it stands to reason that he finally killed her in a fit of rage.