Cultist of Leinth
The Cultist of Leinth is an unidentified individual that is a known follower of a Cult that was first encountered in Paris France by Liberty Rothe and the Paris Save Office lead by Etienne Chirauld. It was this cult that had intended to sacrifice liberty to summon some powerful entity believed to be a demonic force.
They were foiled in the plans in Paris, and all the members of that cult were believed killed in the encounter. However, a member of the cult made an appearance in Vatican City in 1936, accompanied by a group of 8 constructs, He ordered his constructs to kidnap Liberty and kill the other members of the group.
Although unsuccessful, he escaped from the scene. It was believed that somehow he may have been responsible or involved in the disappearance of the Stone Family.