When Liam and Jane are driving (camera POV front of car) whenever Liam is talking the road curves away behind them to the right, when Jane is talking the road curves away to the left.
Connecticut does not use laminated ID cards nor does it have Sheriffs (only Troopers or Patrolmen) as suggested by the news story that is running at the house.
How did she get shot in the stomach, while running away? She may have been shot in the back and through out the stomach, but then she would have and exit - rather than entry wound - on her stomach.
Just after escaping the hospital the 'private property' sign is facing the wrong way.
Given that the authorities did not know what sort of weapon Liam was using to kill people, the force who arrested him at the printer's shop should have been greater--and the officers would likely have been wearing protective gear like containment suits.
When Liam and Jane enter the hospital, the hours of operation are posted on the doors showing from 6 to 20:30. When using 24-hour (military) time, one does not use a colon. So the sign would either read 0600-2030 hrs or else 6 am to 830 pm.
At about the 31 minute mark, when Liam and Rose are entering the hospital, the hours of operation are painted on the doors showing from 6 to 20:30 which is in 24 time, which is not used in Connecticut, USA, where the movie is supposedly set.
At about the 31 minute mark, when Liam and "Jane" are entering the hospital, the hours of operation are painted on the doors showing from 6 to 20:30 which is in 24 time, which is not used in Connecticut, USA, where the movie is supposedly set.
At 23:01, the back of an almond package has ingredients and advertising copy in both English and French as required by Canadian law, which is not typical of packaging in the U.S.
There is no such "Woodmore county" in Connecticut.
Given the threat Liam posed, the manhunt would certainly include searching and staking out any property Liam owned, and Liam and Jane would probably think of that and not head to the cabin.
If Liam kills animals when separated from Jane, there should have been dead fish floating to the surface of the water when he rowed the boat out onto the pond.