PHILADELPHIA - The man charged with murder in a cold case dating back to 1991 has died in custody, according to the Philadelphia District Attorney's office.Theodore Dill Donahue was arrested and charged in the 1991 death of then 27-year-old Denis Sharon Kulb.Donahue's arrest followed an extensive joint reexamination of the case's nearly 30-year-old evidence.He was arrested last September and charged with murder, abuse of a corpse, tampering with evidence, obstruction of justice and false reports to police.A judge later ordered him held for trial.The District Attorney's office says they will not be proceeding with the case following Donahue's passing and it will be marked in the public record as not having resulted in a.