Her work was shown at the Royal Academy, by the Society of Women Artists and at the Walker Gallery.
In 1913, after arson attacks on the Roehampton Golf Club and on a house at Walton Heath belonging to Lloyd George, suspected to be suffragette-related, Hockin was arrested, convicted and handed a four-month sentence.
[3] Her picture was taken from a concealed car in the prisoners' exercise yard using an 11 inch powerful lens which had been purchased by the Home Office.
The secret pictures were required because the suffragettes would distort their faces when conventional mug shots were being taken.
The Home Office was worried by the impact of their arson and vandal attacks and they were closing art galleries.