While Ro and Sally question a suspect on her front porch, it is raining. When they step off the porch, the rain suddenly stops.
Aurora and Sally find the first victim's smashed cellphone by the dock when they find his body: even though we saw the killer kick it into the water in the opening scene.
As Lawrenceton PD, Lynn and Arthur would have no jurisdiction when they storm into the Seattle Museum of History.
The museum Assistant Director's given name is mentioned as Kelly throughout the movie. It is listed as Kimberly in the end credits.