Maria Laura Mainetti was an Italian religious sister belonging to the Sisters of the Cross. Born in 1939 in Villatico, she dedicated her life to service and eventually served as a mother superior in Chiavenna. She was known for her work assisting juvenile delinquents. Her life ended tragically in June 2000, when she was murdered by three teenage girls. Following her death, she was recognized for her faith and sacrifice, leading to her formal recognition within the Catholic Church.