1) The opening scene of the film shows a crime scene in red, black and white colors to create a tense, creepy atmosphere and imply that something unpleasant is about to happen.
2) The scene begins with a close-up of a man screaming on the phone with a gun and zooms out to reveal the surrounding police forces and helicopters responding to the hostage situation.
3) Various camera shots and angles like close-ups, dolly shots, and jump cuts are used to convey emotions and move the intense hostage situation forward efficiently through editing.