RV doors (including the one depicted) open outward, so the door cannot be kicked in.
At around 35:55, as Morgan talks about the Convention on the Marking of Plastic Explosives signed in Montreal in 1991, there are two aerial shots. The first shows Montreal, but the second is of the Bolsheokhtinsky bridge in St. Petersburg.
At one point, when ex-military, captor, "Jeremy Davis" holds the pistol on the police hostages, he's using two hands, but is crossing his thumb on his secondary hand! Anyone with any firearm training, especially military (like in the plot/story line) would know not to do that!.