Who does Alex plan to investigate on his own and what happens when he goes looking for this person?

Alex plans to investigate Gary on his own. When he begins his investigation, he goes to Gary's house, but finds out from Gary's neighbor, Ms. Randee Bogdan, that Gary no longer lives there. Randee describes Gary as a nihilist who considered life meaningless. Randee also informs Alex that Gary would go to an art gallery called Voids Will Be Voids in order to display his work.