Sapienza Memento Feat

To accomplish the challenge, Agent 47 must disguise himself as a Bodyguard and then hand over the DNA sample to Francesca De Santis."

A common misconception is that the player needs to use the Bodyguard uniform. This is false. The player needs to confront Francesca De Santis in a Mansion Security uniform.

I figured it out thanks to Neoseeker. Spreading the word.

SOURCE[www.neoseeker.com]