During the earthquake, Sgt. Grey is hit in the back of the head by one of the ceiling light covers, yet next time we see him the wound is on the front of his head near his forehead.
When Chen checks the domestic assault victim, he has a white cloth/rag on his chest on her body cam, but when it cuts back to the main camera it is gone.
When John and Jessica are walking along the beach in one of the earlier shots, a runner behind them vanishes between cuts.
Captain Anderson was a veteran, so her tombstone should have had her military history engraved on it.
Alcohol and fires are forbidden on all la beaches. the closest where fires are allowed is dockweiler to the south and malibu to the north. bit of a schlep from la (im)proper. and there fires can only be in the provided firerings. and even where alcohol is tacitly allowed/overlooked, glass of any sort, eg bottles are targets for enforcement.
Officer Chen's father didn't want to press charges against the man who assaulted him, so officer Chen had no right to arrest him.
Even though Temecula is 75 miles from the border, there is a checkpoint on the interstate there. Border Patrol does not merely work on the actual border.
Given that Capt. Andersen served in the Marine Corps, she would likely be buried at a military cemetery, which this does not appear to be.