[1] In September 1920, Lisnacree House was raided by the Irish Republican Army (IRA), looking for guns, and they were held hostage for some hours.
[1] From 1922, complaints were received about Harnett's alleged over-zealous strip searching of women suspected of carrying weapons or messages on behalf of the IRA.
[1] She was defended by Northern Ireland's minister of home affairs, but as a result of concern that her actions might lead to local rioting, she was dismissed in March 1923.
[1] In the late 1920s, she joined the British Fascists (BF), was a close friend of the founder, Rotha Lintorn-Orman, and became a senior party member.
[1] Much of her work was set in a "barely fictionalized south Down", involved the gentry, British intelligence officers, and the occult.