REVIEW: Shetland (S5 E3/6)

There are two things you can rely on when Shetland hits its mid-series mark. One, that Perez (and/or Tosh) will go on a little geographical sojourn (last year it was Norway), and two, Jimmy will transform from the mild-mannered, softly-burred, overcoated dreamboat to Angry Jimmy. Like clockwork, both of these things happened in this third,…