[shawnee_]

The "lucrative" aspect of many of these businesses results because they register themselves as 501c3 orgs; yet they clearly operate for-profit enterprises, with active solicitation at jails and courtrooms.

This is AKA the body broker model. There was a discussion about it on HN not too long ago: https://news.ycombinator.com/item?id=15024185

Report body brokers: https://www.irs.gov/pub/irs-pdf/f13909.pdf