Warwick Hirst said this quote

“ For fourteen years Wiliam Walker alias Brown alias Shields alias Swallow alias Waldon alias Todd alias Watson had been a major irritant to British authorities on both sides of the world. To the London police he was an accomplished thief. To the colonial government in Van Diemen's Land, he was a clever and determined escaper; he had stolen one of its vessels and caused much embarrassment by making it back to England not once but twice, one of only a handful of runaways to do so. To these skills of theft and evasion must be added outstanding seamanship, a glib tongue, extraordinary resourcefulness and a capacity for leadership. Among his more admirable attributes his loyalty to his family should also not be forgotten. To the convicts of Macquarie Harbour and Port Arthur he was a living legend, tangible proof that escape from the island prison was possible. By any standards, he was a remarkable man... ”