Factual error: In the final scene where Grace Mayberry's house is raided in Trenton, NJ. a New Jersey State Trooper is wearing a badge on his chest. The NJSP has always worn a triangular shaped badge on their hats.
Visible crew/equipment: While Benson and Stabler apprehend their suspect in a church, at least one crew member appears on the right side of the frame for about 5 seconds where no one should be. (00:25:45)
Repression - S3-E1
Visible crew/equipment: A white reflector screen and a crew member are reflected on Munch's sunglasses when he is questioning the housekeeper. (00:30:20)
Continuity mistake: Benson visits Stabler at his home to confronts him about the FBI detail he has ordered to protect her. They talk outside and then Benson is seen walking away. The next shot shows a side shot of Benson approaching him again in silence but mouthing words to him. (00:49:00)
Visible crew/equipment: After Cragen and Cabot meet with and Mark Sanford and his attorney, Cragen storms out of the building, followed by Cabot. As the camera pans following them, you can see the reflection of a microphone in the reflection of the windows of the silver car in the foreground. (00:18:00)
Redemption - S3-E6
Visible crew/equipment: While Detective Stabler and Hawkins talk on the sidewalk, the shadow of a boom mic can be seen on Stabler's shoulder. (00:19:55)
Inheritance - S3-E8
Audio problem: Benson and Stabler are searching Darrel Guan's room. When Stabler picks up the bloodstained pants, Benson 'says', "blood" but her mouth doesn't move. (00:28:05)
Character mistake: Detective Stabler and ADA Cabot go to talk to Allen and Hannah Cooper in the courthouse, and Ottis Toole, the alleged murderer of Adam Walsh, comes up into the conversation. Stabler states that Toole died of AIDS on death row, when, in fact, Toole died of cirrhosis (liver damage). (00:27:15)
Visible crew/equipment: Benson and Stabler are arriving at Judge Thornburg's place of residence as they learn he's been shot. As their vehicle squeals to a stop, you can see multiple crew members and equipment in the reflection of their maroon car. (00:19:00)
Visible crew/equipment: As Benson and Stabler are walking along the sidewalk talking to the manager of the locksmith company, they pass by two red vans and stop in front of the second one. In the reflection of the van and the window there is a boom mic and a cameraman blatantly visible for more than 15 seconds. (00:18:05)
Visible crew/equipment: As Benson and Stabler are interviewing the grandmother, the mirror behind Stabler briefly shows a microphone that peeks into view. (00:34:00)
Other mistake: Guest star Eric Stoltz is credited as Eric Stolitz.
Character mistake: When Munch and Finn visit victim's apartment, Munch states that the glass in the broken window is tempered, The glass is not tempered but more likely laminated wire glass; due to he fact that the glass is still intact and the child had to use wire cutters to get out.
Visible crew/equipment: Tutuola is speaking with Violet Tremain, the mother of Cherish Doe in a room at the station. As she stands up, a microphone pole is visible in the mirror behind her. (00:09:55)
Character mistake: The fetus' blood type was AB and the mother had a known type of A. So Dr. Huang said the Father had to be type B which is not completely true. The father could also be type AB as long as he had a single chromosomal copy of the B allele, which any doctor would know. During meiosis only half your genetic DNA is passed on to the offspring.
Resilience - S4-E10
Factual error: In the intro scene, a girl attempts to jump under a train at what should be the West 4th Street station. However, the sign "Church Av" is visible behind the actors, revealing that this scene was actually filmed at the Church Av station in Brooklyn. This location is a common spot for filming subway scenes. Moreover, the train that arrives on the platform in this scene is an "N" train, even though the N train does not actually travel to either West 4th Street or Church Av. (00:00:21)
Visible crew/equipment: After the Undercover Stabler hangs up the phone and explains the scheme to Cabot and Cragen, he passes in front of a mirror to sit. In the reflection of the mirror you can see a microphone hanging overhead. (00:25:40)
Visible crew/equipment: When Benson and Tutuola make a visit to M.E. Warner, the reflection in the glass shows a crew member holding a microphone. (00:20:10)
Other mistake: When Warner sprays the victim's neck during the autopsy to check for copper, the victim has a pulse.
Visible crew/equipment: When the detectives are executing a search of Daniel's home, Benson is talking to his fiance. As she moves in front of the television, the reflection in the TV shows a crew member's legs moving alongside her. (00:25:10)
Answer: It was a misconception about Jehovah's Witnesses beliefs. Only blood transfusions are discouraged in their beliefs, medically.