Incriminating Letter is a book in Elder Scrolls V: Skyrim.
Breaching Security - Dark Brotherhood
I agree to your conditions. When the Emperor arrives, I will pass along his schedule, and arrange for all doors to be unlocked, and any posted security to be conveniently absent for a small period of time.
Nothing will stand between your men and his eminence. He will die by Stormcloak hands, and neither my father nor your great leader Ulfric will even know anything is amiss until it is too late.
Leave the first payment, in gold, at this dead drop.
I look forward to continuing our relationship.
Compelling Tribute - Imperial Legion
The Jarl has shown great wisdom in choosing you as her steward. A position well befitting your character, as it demands great cunning, grace, and, shall we say, a talent for performing one's duties tactfully and discreetly.
You have become an important asset to our operation. I trust you found the dress accompanying this letter to your satisfaction. Remember, as I flourish, so too will my friends.
However, I wish to remind you of your pledge to prevent Honningbrew deliveries from entering the city. I am also still waiting for the detachment of city guards to escort my merchandise. I understand it can take time navigating around the delicate sensibilities of your mistress, the great Lalia Law-Giver, but really, I've waited long enough.
Provided you continue to serve my interests, I will continue to look after yours.
I trust I'll be hearing from you soon.