During the early 1990s, loyalist paramilitaries drastically increased their attacks on the Irish Catholic and Irish nationalist community and – for the first time since the beginning of the Troubles – were responsible for more deaths than republicans. The UDA's
West Belfast brigade, and its commander
Johnny Adair, played a key role in this. Adair had become the group's commander in 1990. In 1993 it became public that
Social Democratic and Labour Party (SDLP) leader
John Hume and
Sinn Féin leader
Gerry Adams were engaged in talks as part of the unfolding
Northern Ireland peace process aimed at securing an IRA ceasefire. Loyalists saw this process as a serious threat to their position within the
United Kingdom from what they labelled the "pan-nationalist front" (allegedly encompassing the SDLP, Sinn Fein, the Irish government, and even the
Gaelic Athletic Association). Throughout the autumn of 1993, loyalist paramilitaries intensified their campaign of bombings and shootings against the Catholic community in Northern Ireland, particularly in North and West Belfast. In one incident, a mentally impaired Catholic man was beaten to death by an
Ulster Volunteer Force (UVF) gang. However, nationalist politicians, such as SDLP deputy leader
Seamus Mallon, pointed out that loyalist paramilitaries had been carrying out indiscriminate sectarian murders long before the emergence of the Hume–Adams talks. The relentless attacks upon the Catholic community in Belfast led to grassroots pressure upon the IRA to retaliate. The IRA was reluctant to do so because they believed it would divert energy from their campaign against British security forces and "economic targets". Allegedly, after a pub in West Belfast was sprayed with gunfire by the UDA, an IRA unit planned to detonate a large car bomb in a Protestant housing estate in
Lisburn, but IRA commanders quickly threatened to expel anyone involved in such an unauthorised attack. Interviewed a week before the Shankill Road bombing, a representative of the IRA's "General Headquarters Staff" stated: The UDA's Shankill headquarters was above Frizzell's fish shop on Shankill Road.
Peter Taylor says it was also the office of the Loyalist Prisoners' Association (LPA) and, on Saturday mornings, was normally crowded, as that was when money was given to prisoners' families. In 1992 a police informer had heard that the IRA were planning to attack the building using coffee-jar bombs packed with
Semtex but the plan never materialised. According to
Henry McDonald and Jim Cusack, the IRA had the building under surveillance for some time. and, three days before the Shankill Road bomb, the
Royal Ulster Constabulary (RUC) arrested an
Irish National Liberation Army (INLA) hit squad near his home. An interview Adair gave to
The Guardian newspaper bestowed the IRA's plans even greater urgency; striking at the UDA's headquarters, killing Adair and other senior UDA men mere days after he had boasted about killing Catholics in a national newspaper would be the "ideal rebuttal" to the growing criticism the IRA faced in Catholic Belfast and in the organisation's own ranks. On 22 October, in
Newtownabbey on the outskirts of Belfast, the UDA shot and seriously injured a Catholic taxi driver and carried out pipe bomb attacks on two homes in which it believed Catholics resided. The UDA also claimed responsibility for a car bomb that failed to detonate in the predominantly Catholic Elmfield estate. Reportedly, the IRA made the final decision to launch the operation when one of their scouts spotted Adair entering the building on the morning of Saturday 23 October 1993. Later, in a secretly recorded conversation with police, Adair confirmed that he had been in the building that morning. ==The bombing==