Article continues below advertisementThe key suspect in the disappearance of Madeleine McCann, Christian Brückner, was released from prison in Germany following a prior rape conviction.Brückner was convicted in December 2019 and sentenced to seven years for the rape of a 72-year-old American woman in Portugal in 2005. He was released early after a former German federal police employee paid a slew of outstanding fines unrelated to the conviction.