Webpage claims to have a statement from David Crowley’s one-time film partner and friend for 15 years, Mitch Heil.
https://www.facebook.com/davidkirkwest/posts/10203790636391944
It’s too bad.
What the heck, here is one fb page: https://www.facebook.com/groups/603905253044849/604588972976477/?notif_t=group_comment_reply (a few people here are conspiratorial). Maybe some know of this webpage already.