Jack Schlossberg won't be holding back when it comes to his cousin Robert F. Kennedy Jr. if he wins his upcoming election for a congressional seat, Wonderwall.com can reveal. Schlossberg, 33, who is currently campaigning to represent New York's 12th District, declared that he plans to launch an investigation into RFK Jr.'s actions while serving as secretary of the United States Department of Health and Human Services. Jack Schlossberg rips RFK Jr. Jack Schlossberg has criticized his controversial cousin Robert F. Kennedy Jr. in the past.