Twenty years after child beauty queen JonBenet Ramsey was found murdered in her Boulder, CO home, her brother, Burke, responds to accusations that he was involved.
 
"There still are people that believe you killed your sister. What do you say about that?" Dr. Phil asks Burke in the video above.
 
"Look at the evidence or the lack thereof," Burke responds.
 
When Dr. Phil explains that some people have a theory that Burke was involved in JonBenet's murder, and then their parents covered it up, Burke says, "I know that's not what happened ... You won't find any evidence, because that's not what happened. I know I didn't do it."
 
Watch more here.