RFK Jr. says he faces federal investigation for decapitating whale. What is the case about?

Robert F. Kennedy Jr. disclosed that he is under federal investigation related to a 1994 incident involving a whale specimen, which he allegedly collected unlawfully. He received a letter from the National Marine Fisheries Service and claims the investigation is politically motivated. The Center for Biological Diversity Action Fund calls for further scrutiny, citing potential violations of wildlife protection laws.