837 ... Even though incorporated into the Church, one who does not however persevere in charity is not saved. He remains indeed in the bosom of the Church, but 'in body' not 'in heart.'
https://www.catholicculture.org/culture/libra...Absolution--"the act of pronouncing forgiveness, in the name of God, to penitents who have participated in the sacrament (Mystery) of confession. From the earliest days of the Church the apostolic authority granted by Christ to His Apostles was used for healing penitents and returning them to the bosom of the Church (Matthew 16:19)."
https://carm.org/orthodox-church-dictionarySenior German Nazi criminals escaped prosecution after World War II by the use of different “ratlines“ spread over Europe, which were operated via a network of Vatican contacts. The Catholic Church believed this effort would contribute to the “re-Christianization” of Europe and feared the threat to Europe of paganism and communism. In the pursuit of its political and spiritual interests, it was quick to forgive Nazi war criminals. Welcoming former sinners back to the bosom of the Church seemed a higher calling than turning them over to war crimes investigators. According to many church officials who were questioned about this practice: “You don’t understand us, but we did the right thing,”
http://holocaustonline.org/vatican-ratlines/The Sincere popish convert, or, A Brief account of the reasons which induced a person who was some years since seduced to the Romish Church to relinquish her communion, and return into the bosom of the Church of England ...
https://www.worldcat.org/title/sincere-popish...