Mexican police on Friday found a convicted kidnapper hanging from a bridge in the northern city of Monterrey after she was abducted during a prison transfer this week. The body was identified as Gabriela Elizabeth Muniz, alias 'the red-haired one,' said a statement from the Nuevo Leon state security ministry. An armed gang, abducted Muniz, who was serving a sentence for kidnapping, during a transfer from prison to hospital in Monterrey on Monday. A hub of commerce and industry in northern Mexico, Monterrey has been the scene over the past year of brutal, gangland-style revenge attacks. More than 30,000 people have been killed in drug-related violence since December 2006, when President Felipe Calderon ordered a military crackdown on the country's powerful drug cartels. 