Premise: Darrell Abbott (August 20, 1966 – December 8, 2004), also known as Diamond Darrell and Dimebag Darrell, was an American musician and songwriter who was a co-founder of Pantera alongside his brother Vinnie Paul, and founder of Damageplan. He was considered to be one of the driving forces behind groove metal.
Hypothesis: Darrell Abbott died of a drug overdose.