No.
You don't make them do it just every so often (if the smoke bomb is equipped on their profile in the pigeon coop) then they just throw them
The assassin tracked his target.
The veteran laughed at the new recruits.
The assassin assassinated the other assassin.
It's not possible to obtain assassin's blade in Just Cause 2. You can only use mod, which gives you skin from Assassin's Creed. But it is only skin, without blade.
With their claws.
The sword of Altair. You can get it by completing all the Assassin's Guild challenges.
If you preordered Halo 4 and have the assassin emblem code, you can use it by going to your spartan's emblem and looking for it in the foreground option.
He dethroned the defending titleholder.
Use a Khajiit, they are good at sneaking.
A den
I found a cozy den in the woods where I could relax and read my book.