From the information obtained from Demon Hunter Headquarters, there was no record of friends around.
Marvin had no idea that Leon Anger had any acquaintances in London besides colleagues.
However, this did not affect his next plan.
Having Levin replace Leon Anger as a Demon Hunter would be quite beneficial to future Aurora Society members infiltrating London.
Even if we take a step back...
By planting a spy within the Demon Hunters, whatever happens, they would receive the news first.
In a London where supernatural beings often cause trouble, intelligence is too important.
"Big brother, what should we do?"
After the coachman had left, Levin swallowed the last bite of his bread, wiped his hands with a napkin, and nudged his mouth toward the door of Apartment No. 33, "Do we act tonight, or do we wait until the Angell couple has left before we make our move?"