He was depressed lately and this is a typical Clinton associate suicide method.
Burkman had a weekly podcast that I used to catch routinely until his constant neverTrumper carping before the election got on my nerves. He had some interesting insights but he is GOPe and part of the problem.
His claim to be “a leading investigator” of the Seth Rich murder strikes me as self promoting bullshit. He’s a lobbyist who collected rumors and DC gossip, not some sort of detective. And if he had any detective skills he wouldn’t have hired some crackpot who would try to kill him.