Wait. What evidence do you have that this report is not substantiated?
Oh, and why is Seth Rich's family the experts on this case?
Glad you asked that, here is a statement by the police who are investigating the case
"“The assertions put forward by Mr. Wheeler are unfounded,” DC’s police department says in a statement. “The Metropolitan Police Department’s (MPD) Homicide Branch is actively investigating Mr. Rich’s murder and we continue to work with the family to bring closure to this case as we do with all homicide investigations.”"
https://www.washingtonian.com/2017/05/16/everything-thats-weird-latest-seth-rich-story/
There is even more if you are interested
"It’s unclear which computer Wheeler was talking about. In a conversation earlier this year, Seth’s brother Aaron Rich told Washingtonian that Seth’s personal laptop has never left his possession."
So how exactly did Wheeler (a Fox news stooge and a Trump supporter) got hold of these emails?