Complex sentence: But things go sour, resulting in the accidental death of a cop named Bunky Ritter, who had been secretly taping "Bed Bug" Eddie Grant, a criminal who specializes in mutilating those who cross him.
Split into simpler sentences: But things go sour, resulting in the accidental death of Bunky Ritter, a cop. Bunky has been secretly taping "Bed Bug" Eddie Grant, a criminal who specializes in mutilating people who cross him.