homozygosity

Warning: contains spoilers for Line of Duty series 6 episode 5 The pause button really came into its own in this week’s Line of Duty instalment, which was even more packed than usual with references to the past. It saw the return of Patrick Fairbank, and the new arrival of a potential ‘H’ candidate played by Jimmy Nesbitt, plus a cliffhanger that threatened the end of DI Kate Fleming (see below for more on that). On top of all that, it turned out that Jo Davidson being related to Tommy Hunter wasn’t the worst of her DNA revelations; her family…