Does Jon benet ramsey brother know who killed his sister?

As of now, there is no public evidence or credible information to suggest that JonBenét Ramsey's brother, Burke Ramsey, knows who killed his sister. The case remains unsolved, and Burke has consistently maintained his innocence and has not been implicated in the crime. Over the years, he has spoken out about the impact of the tragedy on his life, but he has not provided any definitive answers regarding the identity of the killer.