premise: Mick Thomson was in Slipknot.
hypothesis: Mick Thomson . Born in Des Moines , Iowa , he is best known as one of two guitarists in Slipknot , in which he is designated # 7 . Thomson originally met founding Slipknot members Anders Colsefni , Donnie Steele and Paul Gray through their mutual involvement in death metal band Body Pit , and later replaced Craig Jones in the group in 1996 . Following the departure of Joey Jordison in 2013 , Thomson is now the third longest-serving member of Slipknot . Slipknot (band) . After several lineup changes in its early years , the band settled on nine members for more than a decade : Corey Taylor , Mick Thomson , Jim Root , Paul Gray , Craig Jones , Sid Wilson , Shawn Crahan , Chris Fehn and Joey Jordison .