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Torn took place in 1919, which is the record of the cold case squad.
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The series audience record is held by 3x09 A Perfect Day, which drew 19.4 millions of viewers on Sunday, 27 November 2005.
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The record of closed cases in one episode is held by 1x15 Disco inferno whose investigation lead to 23 cases solved.
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Only 3 doers couldn't be arrested : David Lake in 1x19 Late returns whose sister lied and confessed to the crime, Hank Dempsey in 2x04 The House who flew before the squad could arrest him and George Marks in 2x09 Mindhunters who was freed because of the lack of evidence.
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So far, the squad have caught 4 serial killers George Marks, Roy Brigham Anthony, Malik and John Smith.
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A gun is the most common murder weapon in the cold cases (32%).
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Only 4 doers were already dead when the investigation took place : Henry Mack in 3x11 8 Years, Roger Mulvaney in 3x09 A Perfect Day, Felix Spyczyk in 3x19 Beautiful Little Fool and Elizabeth Stone in 4x21 Torn
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The doer is a friend of the victim in 25% of the cases.
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40% of the cases solved were not actual cold cases : closed cases re-opened, accidental deaths not so accidental and missing person cases are quite common.

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