Question: Mercer House was the scene of the shooting death of the assistant of this person who was tried four times for the same crime in which state?
Sentence (from "Mercer House (Savannah, Georgia)"): The Mercer House, now called the Mercer-Williams House Museum, is located at 429 Bull Street and stands at the southwestern end of Monterey Square, in Savannah, Georgia.
Relevant evidence: No