Why was leo frank's 1913 murder conviction called into question? responses a there was conflicting evidence as to his guilt.there was conflicting evidence as to his guilt. b not enough dna evidence was used in the trial.not enough dna evidence was used in the trial. c the prosecution fabricated much of the evidence against frank.the prosecution fabricated much of the evidence against frank. d frank was in new york when the murder took place.frank was in new york when the murder took place.