Who is Hizb ut Tahrir? And What is Their Method for Change?

Hizb ut Tahrir is a well-known Islamic movement that works globally for political change in the Muslim lands. But due to countless rumours spread online, people are often confused about what this group is about and what their methodology is. In this video, Mazin Abdul-Adhim explains the method of Hizb ut Tahrir and background regarding the group.