The strong White Zombie/Rob Zombie influence that permeates Scum of the Earth's material is no coincidence; the alternative metal outfit is led by Riggs, an in-your-face singer, guitarist, songwriter, and producer who is best known for the six years he spent in Rob Zombie's employ. Riggs joined forces with Rob Zombie in the '90s and stayed with him into the early 2000s, eventually leaving in 2004 (when Rob Zombie was largely focusing on films rather than music) to start a project of his own. Named after a song from Rob Zombie's Sinister Urge, Scum of the Earth favors the sort ...