Below is a short summary of a book by William Hazlitt given by Chota Haridas das where he gives some important information that any sane devotee should not ignore.
Saints and Psychopaths
Psychopaths pretending to be saints present a very serious problem for all spiritual traditions. There are many more psychopaths pretending to be saints than there are real saints.
If you have a true saint for a teacher, then you have a real possibility for spiritual attainments, including enlightenment. If
Srila Prabhupada's First Talks in America (New York, March 1966)
tad viddhi pranipatena
pariprasnena sevaya
upadeksyanti te jnanam
jnaninas tattva-darsinah
"Just try to learn the truth by approaching a spiritual master. Inquire from him submissively and render service unto him. The self-realized soul can impart knowledge unto you, because he has seen the truth." [Bhaga

