Review: Arne Dahl (S2 E5&6/10), Saturday 31st October, BBC4

Never let it be said that the A-Unit won’t tackle any sort of case thrown their way; so far we’ve had Mafia murders and espionage, and now it looks like the ill-assorted team is tackling sex trafficking.¬†Two Swedish girls have died in Belgium after being kidnapped, and one spoke before her death of her kidnapper…