Verkkodahmer, who killed 17 men and boys between 1978 and 1991, was sentenced to 16 life terms in prison and was sent to the columbia correctional. Verkkoon july 22, 1991, while searching jeffrey dahmer's apartment, police found nearly 80 polaroids of naked, posed, and dismembered human bodies. Verkkojeffrey dahmer fbi file reveals chilling polaroid collection from grisly murders. The serial killer took photos of his victims because he “wanted to keep.