Directed by: James Wan
Starring: Patrick Wilson, Vera Farmiga, Lili Taylor, Ron Livingston
Factual error: The moving truck that transports the Perron family's belongings didn't exist in 1971. It is a 1973 model or newer.
Factual error: The morning after the exorcism, the headlights on all the cars outside of the house are still on. There is no way car batteries from the 1970s would have lasted all night.
Other mistake: The clocks as we learn later in the film stop at 03:07 due to that being the time the witch died. However, the grandfather clock we see for the first time has stopped at 03:07. We then see it stop at 03:07 the next night too. However the minute hand is in a different spot to when it first stopped - it should have stopped at precisely the same point. (00:13:05 - 00:18:50)
Ed Warren: We've been called ghost hunters. Paranormal researchers. Wackos.
Lorraine Warren: But we prefer to be known simply as Ed and Lorraine Warren.
Trivia: The film is loosely inspired by a real-life paranormal investigation by investigators Edd and Lorraine Warren, though new elements were added to the story in order to make it more cinematic.
Question: What did Lorraine Warren see during the footage where they participated in an exorcism of a farmer? She stared into his eyes and screamed, then they mentioned that she locked herself in her room for several days, and that it affected her badly. Has that ever been explained?
Answer: Ed's death.
Answer: It is explained in The Conjuring 2 that Lorraine has a premonition of Ed being impaled.