Hugo Chavez , and defeated Mexican Antonio DeMarco in his most recent fight , in February this year . A statement on the WBC 's official Web site read : `` Jose Sulaiman , World Boxing Council President , and all the members of the organization , are deeply saddened , moved and in sorrow due to the tragedy that took place regarding the case of WBC Lightweight world champion , Edwin Valero , who committed suicide in his cell after having killed his wife . `` Valero was very close to the World Boxing Council President and many of its members , who witnessed the happy years of the fighter when he won his Lightweight world title on April 4th , 2009 , and when he defended such title last February 6th , in Monterrey , where he was joined by his wife and two little children for two weeks , showing a behavior and a humanitarian sense that were very far from what happened . `` The World Boxing Council declares today , April 19th , 2010 , a day of world mourning , as well as it informs that the organization will begin analyzing a plan to
-LRB- CNN -RRB- -- Venezuelan world lightweight boxing champion Edwin Valero committed suicide in his prison cell after being arrested for the murder of his wife , according to the World Boxing Council -LRB- WBC -RRB- . The 28-year-old had confessed to stabbing his wife Jennifer Carolina Viera de Valero in a hotel in the city of Valencia on Sunday before taking his own life , police confirmed . Valero was found in his cell hanged by his own clothes and though he showed some signs of life he later died , police chief Wilmer Flores Trosel told state television . `` A prisoner nearby heard noises inside the cell and told officials , who immediately went and found the boxer Valero hanging with his own clothes , '' he said . The WBC said Valero is the only fighter in 300 years of the sport who can boast a 100 percent knock out rate from his 27 fights . Valero , nicknamed `` The Inca , '' had recently gone into alcohol rehabilitation and was detained in March for mistreating his wife , according to media reports . He had a distinctive tattoo on his chest of Venezuelan President