Continuity mistake: The shot of Dichter looking out the window shows him close to it and facing it straight on. The next shot Dichter is far away from the window with his head turned to his right shoulder.
Continuity mistake: Malloy places his flashlight on the floor about a foot and a half away from the door and at an angle. When he opens the door, the flashlight is now right up against the door and directly perpendicular to it.
Continuity mistake: A brick being shoved into place attracts Malloy's attention. The mortar is not neat and tidy, wet, and the bricks are slightly askew. When Malloy turns to face the brick wall, the mortar is neat, dry, and the bricks neatly laid.