Journalist Shane Harrison and campaigner Michael Gallagher chart the long legal struggle for a public inquiry into the 1998 atrocity, which begins by hearing from survivors and bereaved families
The Omagh bombing was the single worst atrocity of the Troubles.
As the journalist Shane Harrison explains, it was carried out when hopes were high in Northern Ireland that the country would never experience such violence again – four months after the signing of the Good Friday agreement in April 1998.