Where can I find a tax collector to kill for Tax Evasion?

I'm trying to finish up the single player achievements in Assassins Creed: Revelations, but can't seem to ever find a tax collector to earn the following achievement:

Tax Evasion: Get your money back from a Templar tax collector.

Is the tax collector triggered by any specific events, in certain memories, or completely random? Are there areas where they are more likely to show up?

3 Answers

I found one running around randomly, but I've only seen one, period. They show up like the Borgia Messenger does in previous games, the icon looks like a red money bag.

Over on this thread is a supposedly repeatable way of getting one to spawn, by hiding near the Hagia Sophia tunnel entrance and waiting for a particular bank deposit in the day cycle, when one will almost always spawn.

Here's the related video:

From what I have read, it seems to be easiest to find a tax collector if you are near a bank when the deposits come in. That seems to be when they are most likely to appear.

I found the Templar tax collector waiting for the bank deposit near the tunnel entrace of Haggia Sophia. After the deposit was made, I went to the bank and checked the summary of all my building but didn't withdraw any money. Then I ran around and the red icon for the Templar tax collector appeared.

Just after him and press do a hook sweep to get your money back.