Complex sentence: Initially, Christian Brando claimed that he and Drollet were fighting over the gun when it went off however he was heavily intoxicated at the time and the autopsy reports revealed that Drollet was shot in the back of the head.
Split into simpler sentences: Initially, Christian Brando claimed that he and Drollet were fighting over the gun when it went off. However, autopsy reports revealed that Drollet was shot in the back of the head.