Nik Korpal was an employee of Red and Liz's ex-boyfriend.
He agrees to remove the bullets in exchange for 500,000 dollars.
Red interrogates Nik, asking him what happened that led to Liz's death. Nik recounts the steps and says he does not want to die. Red says ”everyone dies someday”.
Tom enlists Nik to identify the bones in the suitcase.
Nik was strangled to death at the end of the episode.