Complex sentence: The audio tape which could possibly exonerate Michael Jones was part of the opening scene of the film: before shooting O'Leary, Jones puts down his boom box (ghetto blaster)-it was evident to a watchful eye that Jones also hits the RECORD button.
Split into simpler sentences: The audio tape which could possibly exonerate Jones was part of the opening scene of the film with Jones and O'Leary, before shooting O'Leary, Jones puts his boom box (ghetto blaster) down. It was evident to a watchful eye that Jones also hits the RECORD button.