With his brother John he soon formed a gang of more than twenty men that would become known as the Shankill Butchers, one of his lieutenants being William Moore. The Shankill Butchers is the name given to a loyalist gang, many of whom were members of the Ulster Volunteer Force (UVF). The group conducted paramilitary activities in Belfast, Northern Ireland during the 1970s. Lenny Murphy became infamous for being the leader of the Shankill butchers gang. The group was infamous for their late-night abduction, torture and murder of random Catholic civilians. On 24–25 November 1975, Murphy adopted the method that gained the Butchers infamy, which was abducting, torturing and throat slashing.
Lenny used city's sectarian geography to identify likely targets that he could kill. Murphy roamed the areas nearest the Catholic New Lodge in the hope of finding someone (likely to be Catholic) to abduct. His first