That's according to the producer of "The Killing of Father Niall Molloy" documentary.
People who were at the scene of Father Niall Molloy's murder in Offaly must be compelled to speak to uncover what really happened.
That's according to the producer of a documentary series into the case, concluding on RTÉ television tonight.
Part two of the series sees a team of experts reconstruct the scene and re-examine the evidence to expose the inconsistencies in the case.
Producer Sharon Lawless says a commission of investigation is required:
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