Filmmaker/retired military David Crowley was working on a "New World Order" conspiracy film where top members of the government were involved in a child sacrifice / Satanic cult.

After raising money to make the film he and his entire family were found dead in an apparent 'murder suicide.'

Here's the link from an objective, if not hostile, source, the Southern Poverty League:

https://www.splcenter.org/hatewatch/2015/01/20/conspiracist-filmmaker-family-found-dead-murder-suicide-spurring-fresh-theories