The jury in the Lindsay Clancy triple murder trial has failed to deliver a verdict for a second time.

Ms. Clancy has pleaded not guilty to the murder of her three children by reason of insanity, with her lawyers saying she was suffering from postpartum psychosis at the time of the killings.

Marion McKeone explains to The Last Word what we know from the trial so far.

Hit the ‘Play’ button on this page to hear the piece.