Lionel gave minimal details, except that David had changed his name in order to protect his privacy. Shari added that David had a career and was married, with his wife expecting their second child at the time. This interview was the last time that anyone has heard information regarding David Dahmer.

Their relationship reportedly suffered slightly, due to Jeffrey believing that David got more attention as the newborn, and he reportedly resented his younger brother for it. They also had very different personalities.

Jeffrey Dahmer's younger brother, David Dahmer, was reportedly over seven years younger than him and was also named by the serial killer. His birth, as shown in the pop culture representations of Jeffrey's life, was a significant turning point in his elder brother's life.