One of the most famous questions in television history was officially answered in the second season episode "Arbitrary Law." It was revealed that Laura's father Leland Palmer murdered her while possessed by a malefic being known as Killer BOB. The murder is the subject of the prequel Twin Peaks: Fire Walk with Me. Whether BOB is an independent entity or a sentient manifestation of human evil (as speculated by Albert Rosenfield) is the topic of one of the show's lasting fan debates.
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One of the most famous questions in television history was officially answered in the second season episode "Arbitrary Law." It was revealed that Laura's father Leland Palmer murdered her while possessed by a malefic being known as Killer BOB. The murder is the subject of the prequel Twin Peaks: Fire Walk with Me. Whether BOB is an independent entity or a sentient manifestation of human evil (as speculated by Albert Rosenfield) is the topic of one of the show's lasting fan debates.