Just ran across this, Charles.
D.L. Kirkwood

I also acknowledged the fall in my essay, but various reports state that Cohen was extremely sick with cancer and had been for some time. It’s mentioned in David Remnick’s audio/video release of his final interview with Cohen, and also in Mikal Gilmore’s latest article in Rolling Stone, and a few other places. I believe the Cohen family is respecting LC’s request for privacy by not publicly discussing his matters of health or the factors leading to his death, hence his manager stating he died following a fall but giving no other details. But since he passed other people close to the family seem to have confirmed his condition.