Please answer the following question: Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: What mistake does Burgess do? Title: Minority Report Movie plot: In April 2054, Washington, D.C.'s PreCrime police stops murderers before they act, reducing the murder rate to zero. Murders are predicted using three mutated humans, called "Precogs", who "previsualize" crimes by receiving visions of the future. Would-be murderers are imprisoned in their own happy virtual reality. The Federal government is on the verge of adopting the controversial program. Since the disappearance of his son Sean, PreCrime Captain John Anderton has separated from his wife Lara and becomes a drug addict. While United States Department of Justice agent Danny Witwer is auditing the program, the Precogs generate a new prediction, saying Anderton will murder a man named Leo Crow in 36 hours. Anderton does not know Crow, but flees the area as Witwer begins a manhunt. Anderton seeks the advice of Dr. Iris Hineman, the creator of PreCrime technology. She reveals that sometimes, one of the Precogs, usually Agatha, has a different vision than the other two, a "minority report" of a possible alternate future; this has been kept a secret as it would damage the system's credibility. Anderton resolves to recover the minority report to prove his innocence. Anderton goes to a black market doctor for a risky eye transplant so as to avoid the city-wide optical recognition system. He returns to PreCrime and kidnaps Agatha, shutting down the system, as the Precogs operate as a group mind. Anderton takes Agatha to a hacker to extract the minority report of Leo Crow, but none exists; instead, Agatha shows him an image of the murder of Ann Lively, a woman who was drowned by a hooded figure in 2049. Anderton and Agatha go to Crow's apartment as the 36-hour time nears, finding numerous photos of children, including Sean's. Crow arrives and Anderton prepares to kill him, accusing him to be a serial child killer. Agatha talks Anderton out of shooting Crow by telling him that he has the ability to choose his future now that he is aware of it. Crow however begs to be killed, having been hired to plant the photos and be...
Answer:
Burgess accidentally reveals himself as Lively's murderer.