This quest cannot be completed by characters of Evil-alignment
The quest starter item will not drop from gray mobs.
It is possible to complete this quest twice and receive two separate "completed quests" in your Quest Journal. All you need is to have another A crumpled scroll drop and you can complete the quest at the other quest target (i.e. Amren Talbot if you turned in the first scroll that you got to Sir Aidan Godard, and vice versa).
Starting the Quest[]
When examining the starter, you are offered a choice of who to turn it in to: