Warning: This article contains spoilers that some readers may prefer to avoid.
Watch an exclusive interview with Fortitude writer Simon Donald delving into tonight's killer reveal.
Episode five of Sky Atlantic's crime chiller revealed who killed amiable professor Charlie Stoddart (Christopher Eccleston).
Stoddart was brutally offed in the Arctic-set drama's first episode, with Eccleston reprising his role for flashbacks in tonight's (February 26) instalment that detailed the character's death.
Watch the DS exclusive clip above to find out why unmasking Stoddart's murderer is not the end of the mystery - and for hints about what's coming up next.
Fortitude continues next Thursday (March 5) at 9pm on Sky Atlantic.
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