You're right.

[His brows furrow deeper as he's now alongside her, eying the badge.]

That is a Paladin's officer badge, and a not low ranking one, either. Which would explain this little note I found.

[He holds it up, and although at first glance it might not see much, it has a date, location, and names. The date is just a day before today, and the location is this very mansion.]

How much would you wager the names are aliases of this "esteemed" couple?