North Texas realtor charged in 14-year-old Arlington murder challenges DNA evidence

A North Texas real estate agent accused in a 14-year-old Arlington murder case is now fighting to get out of jail.Police say a DNA breakthrough finally led them to Mayra Velasquez, who has been charged with capital murder. Her attorney says investigators have drawn the wrong conclusion from the evidence.Attorney challenges DNA evidenceFourteen years after Irasema Chavez was found stabbed to death more than 100 times inside her Arlington apartment, North Texas real estate agent Mayra Velasquez was arrested for the crime.Now, the case has shifted from an unsolved mystery to a battle over DNA evidence."I think that the conclusion is flawed. I don't know necessarily that the investigation is flawed," said Frank Sellers, Velasquez's attorney.At a press conference this week, Arlington police and the FBI said genetic genealogy identified Velasquez as a possible suspect.Detectives then followed her to a restaurant, where they recovered a plastic fork she used.Police say the DNA on that fork ma