Just after Mandy has demonstrated hitting the gold in the gym, when she lowers her crossbow it is clearly still loaded and ready to shoot, with the bowstring pulled back and a yellow-fletched bolt still in place. She then takes another bolt from her quiver and bends to reload her loaded crossbow.
Annika is handed an estimate or an invoice for treatment of the pigeon. Veterinary surgeons do not charge for treating wildlife.
When the wife is identifying the body at the morgue, one can clearly see the "corpse" breathing (the sheet is moving up and down).
When Findlay is killed in a hit and run, a still of an A&E entrance appears. This is the entrance to A&E at University College Hospital in London, although the drama is set in Scotland.