To the average person, committing murder is a heinous crime that leaves the family members and loved ones grieving and asking the question why? However, to a small group of people both men and women, they've chose this life and some have even turned it into somewhat of a gruesome art. By that I mean that they specialise in the way they carry out the killings. Chris Powell's one of those people in fact you'd probably know him better as a contract killer...