A safe group/leader will not have a paper trail of overwhelmingly negative records, books, articles and statements about them.
It is what everything is leading to in your work with A Course in Miracles.
A safe group/leader will disclose information such as finances and often offer an independently audited financial statement regarding budget and expenses.
Safe groups and leaders will tell you more than you want to know.
Hyperactivity centered on the group/leader agenda, which seems to supercede any personal goals or individual interests. Increasing isolation from family and old friends unless they demonstrate an interest in the group/leader.
Anything the group/leader does can be justified no matter how harsh or harmful.
One place to begin is look up books by David Hoffmeister on Amazonand read reviews.--Ten warning signs of a potentially unsafe group/leader. No meaningful financial disclosure regarding budget, expenses such as an independently audited financial statement.