Paul is the Author of Our Father Maciel who art in bed
Jack Keogh and Paul Lennon, joined the Legion of Christ in 1963 and 1961 respectively, remain in the group for 20 and 23 years before "walking away"; they left the priesthood and are married and living in the USA; Jack is an entrepreneur and public speaker, Paul a mental health therapist
In the aftermath of Irish TV's investigative report on the Role of the Irish in the foundation and growth of the Legion of Christ, Joe Duffy interviewed Paul Lennon and Jack Keogh re their impressions of Fr. Macil and the Legion
Here is the link
It starts off slowly and then gathers momentum.