When Danny is chasing Rory Brennan down the stairs, Rory shoots at Danny. Danny shoots back, and Rory falls down and dies, dropping his gun. When Danny runs down the stairs, the gun is in Rory's hand rather than on the ground.
When Frank is shot, Jamie is denied the detail of protecting him in the hospital. Yet, in Thicker Than Water (2018), John Hotchkiss' son, Jay, is offered the chance to protect his father after he is shot.