A Murderer is a heavy metal track from Queensryche's 2006 album Operation Mindcrime II. The song fits within the band's established style of combining aggressive guitar work with melodic vocals, a hallmark of their career spanning several decades. As part of this double album, it continues the group's exploration of dark, thematic storytelling that has defined their discography since their early 1980s breakthrough. The track represents the band's mature phase, maintaining their signature sound while offering a continuation of the intense atmosphere found in their previous releases. It stands as a representative example of the group's enduring presence in the metal genre.