The daughter, 35-year-old Alba Nidia, told CNN that her. The Álvarez incest case was uncovered late March 2009 when 59-year-old Arcedio Álvarez was arrested in Mariquita, Colombia, accused of imprisoning and sexually abusing his daughter Alba Nidia Álvarez over a period of 25 years, beginning from when she was nine years old. [1].