Forgetfulness

Jack looked at the shocked Jerk Brother and asked incredulously, "You were not told who your target was from the beginning?"

In response, Jerk brother nodded and replied, "They told us not to care about the identity of the target. As long as we completed the mission without causing her harm, there will be nothing to worry about."

Seeing that Jack was expecting more, he continued, "At first, just like the mission that they had given us for your stores, they had tried keeping it a secret that they were the ones behind it. But after you found out that they were the ones that had given the mission, it was easy to relate the two as the payment came from the same account."

Jack heard this and thought for a moment. He then asked, "What mission was given to you first and when was that?"