As Halloween looms, here's a chance to crack a spooky puzzle for the fun of it. All winning entries by 31 October will get named on our bonus hall of fame below.

Why is Ms Lavenza's husband's son helped out by the same person as Ms Westenra's killer, who then turns up where unspeakable horrors from outer space paralyse the living and resurrect the dead?

The correct solution will make all the above clear.

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Brian Clegg

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