Complex sentence: They are arrested and charged with murder when Mellon's mutilated corpse is found; however, one of the murderers claims that he saw a clown dressed in a silver suit kill Mellon underneath the bridge.
Split into simpler sentences: They are arrested and charged with murder when Mellon's mutilated corpse is found. One of the murderers claims that he saw a clown dressed in a silver suit kill Mellon underneath the bridge.