On Oct. 3, 1980, a bomb exploded outside the Rue Copernic synagogue in Paris, killing four people and injuring 46.

The attack sparked outrage and protests against anti-semitic violence. But as weeks turned to years, the investigation went nowhere.

Finally, French investigators named Hassan Diab, a Lebanese-Canadian professor, as its main suspect. 28 years years after the attack, Diab was charged and extradited from Canada to France. But did the police arrest the right person?

Alex Atack and Dana Ballout from the podcast, The Copernic Affair, join Crime Story.

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