Visible crew/equipment: As Detectives Munch and Jeffries enter the subway train where a rape took place, one of the cameras is noticeable just behind them.
Wanderlust - S1-E5
Continuity mistake: When Benson and Stabler are interviewing Virginia at the end of the episode, when she admits to committing the crime, she breaks down into tears and her face turns red. The next shot is from over her shoulder, and her expression is normal. In the very next shot, from the front, her face is flushed and tears again.
Visible crew/equipment: When Benson and Stabler are interrogating Jesse, there is an overhead mic visible in the mirror behind them. (00:27:15)
Continuity mistake: Munch and Cassidy are at an S&M shop and are about to leave. Munch grabs Cassidy by his upper left arm. Cut to the next shot and he's now grabbing onto Cassidy by the shoulder.
Character mistake: At the end of the episode, Abby Carmichael says that professor Rousseau will be convicted of three class-A felonies, with a term of a year each. According to NY state laws, three class-A felonies would lead to the death penalty; Abby meant to say three class-A misdemeanors.
Visible crew/equipment: As Olivia and Elliot are talking to the medical examiner about the cause of death of their victim, an overhead microphone is blatantly visible. (00:11:18)
Answer: It was a misconception about Jehovah's Witnesses beliefs. Only blood transfusions are discouraged in their beliefs, medically.