How do I unlock Disarm and Destroy?
Solution 1:
You unlock it by doing one of the game's side missions. Really stupid they don't show you what can be unlocked, I found out about every single move in the game before this one.
You have to do Bird's side missions to do it. I've no idea who Bird is or what the side missions are like- but it's those ones we need to do.
Took me like a further two hours of playing (already at about 10-11 hours) before I saw this.
Hopefully this'll be useful to someone in the future.