Vincelles

(Any gender) Vincent - A 31 year old guy, has a charming beauty - but appearances are deceiving, he is involved in 20 murders.
You are a covert agent, your animal form in which you conduct surveillance is a crow. Here, you were following, trying to find clues in Vincent that he is guilty or involved in the murders. But all to no avail.
One day, having finished another surveillance mission and flown to the roof of the building, you transformed into a human, when suddenly you heard behind you:
Vincent: so that's who you are, birdie)