On March 31, 1922, 5 members of the Gruber family and their new maid were all viciously murdered by somebody who had been hiding in their house for days. To this day nobody knows who bludgeoned the victims.
Armchair Theorist
True Crime
On March 31, 1922, 5 members of the Gruber family and their new maid were all viciously murdered by somebody who had been hiding in their house for days. To this day nobody knows who bludgeoned the victims.