 Directed by Hanna, the brigade became the most lethal loyalist paramilitary group operating in mid-Ulster.He then began carrying out bank and post office robberies, and intimidated local businessmen into paying protection money to the Mid-Ulster UVF.Hanna's Mid-Ulster unit was part of the group of loyalist extremists known as the Glenanne gang, comprising members of the Royal Ulster Constabulary (RUC), UDR, UDA as well as the UVF, which carried out sectarian attacks in the 1970s in the area of south Armagh and mid-Ulster referred to as the "murder triangle".