Question: Why does Jem follow Claire Keesey? If there is no answer, please output "Insufficient information to provide an answer.". Movie title: The Town Context: Four lifelong friends from the Charlestown neighborhood of Boston, Douglas "Doug" MacRay, James "Jem" Coughlin, Albert "Gloansy" MacGloan, and Desmond "Dez" Elden, rob a bank. They take the manager, Claire Keesey, hostage, but release her unharmed. When they find out Claire lives in their neighborhood, Doug begins to follow her to find out how much she has told the authorities, and to make sure that Jem does not eliminate her as a witness. Soon a romance grows between them, which Doug hides from the gang. As they grow closer, Doug tells Claire of his search for his long-lost mother, whom he believes went to live with his aunt in Tangerine, Florida. He also recounts his chance to be a professional hockey player which he threw away for a life of crime, following in his father's footsteps. She in turn tells Doug that she saw a tattoo on one of the robbers, and he realizes that she can identify Jem and send them all to jail. He knows that Jem will kill her if he discovers the truth, so he persuades her that the authorities cannot protect her, and she decides not to tell the police. After Claire tells Doug about being harassed and her car vandalized by Alex, a local thug, Doug enlists Jem for a favor, which they can never talk about. Doug and Jem don hockey masks and violently assault the offenders without Jem knowing the true reason for the favor is to protect Claire. FBI Agent Adam Frawley surveils the gang and recognizes their ties to local crime lord Fergus "Fergie" Colm, who has another robbery planned for them. During a visit to his father Stephen in prison, Doug reveals his plans to leave Boston and go to Florida. The gang's next robbery in the North End goes awry, and the gang barely escapes. The gang is interrogated by Frawley, but he fails to get any confessions and is forced to release them. Doug asks Claire if she will go away with him, and she agrees. When Frawley learns that Claire quit her job, he wiretaps her phone, and threatens to prosecute her as an accomplice after realizing that she is seeing...
The answer to this question is:
He follows her to find out what she told the police.