The highlights of his career include his work for Rob Zombie's solo albums (Hellbilly Deluxe, The Sinister Urge, American Made Music To Strip By, Hellbilly Super Deluxe, Past, Present & Future) and currently his skills as a guitarist, vocalist, and producer for Scum of the Earth, of which he is the only original band member.
He went on after this to play for another Austin band called Skrew which included future Nine Inch Nails guitarist Danny Lohner.
After playing with Skrew for several years, Riggs joined Prong after the release of their studio album Rude Awakening and toured with them for some time.
Songs were featured in National Lampoon's TV: The Movie, on numerous MTV shows, and a slew of action sports DVDs.
In 2022 Riggs rejoined Rob Zombie's solo band when prior guitarist John 5 left to join Mötley Crüe.