Complex sentence: In 2013 Nichols claimed a career as a hit-man, stating on "The Pete Santilli Show" that he had murdered people, on command, for the Clintons.
Split into simpler sentences: In 2013 Nichols claimed a career as a hit-man. Nichols stated in 2013 on "The Pete Santilli Show" that he had murdered people, on command, for the Clintons.