Marianna Nyirantagorama (58) and Marc Nyandekwe (60) When the genocide began, Marianna fled with her family to a church where most of them were slaughtered. She and a sister survived by hiding among the bodies, and later escaped to Bisesero, where many Tutsis died after being abandoned by French peacekeeping forces. In a sociotherapy group in 2018, she encountered Marc, who killed her sister and looted their home. During therapy, she forgave him. The 1994 genocide in Rwanda was one of the most intimate and large-scale acts of violence of the 20th century. In just 100 days, between 800,000 and one million people were killed, mainly Tutsis but also Hutus. Perpetrators were neighbors, teachers, church leaders, even family members, who attacked face-to-face with machetes, clubs, and spears. Blood Bonds: Reconciliation in Post-Genocide Rwanda is a recent photobook by photographer Jan Banning and journalist Dick Wittenberg, with an essay on forgiveness by philosopher Marjan Slob.…