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First broadcast at 22:15 7 May 2011
The killing of an old man by a single bullet that is witnessed by a packed subway carriage looks like an open and shut case - until it is discovered that the victim was not an old man and the weapon was not a gun.
A chef goes up in flames a gourmet food festival.
A popular pupil is murdered.
The CSIs investigate a conspiracy theory.
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Channel 5 Broadcasting Ltd. 2015