Tom of Disputations analyzes the three reasons used to support tortures and then provides an answer to them in a three part post. So like a Dominican to break down the analyses and then answer them Sed Contra.
Keven Miller at HMS Blog also looks at the issue and delves into the meaning of the paragraph in the Catechism on torture using Gaudium et Spes and Veritatis Splendor as a guideline.