Ghost Lab - Season 1 Episode 6 -

The Klinge brothers investigate Granbury Opera House in Granbury Texas, believed to be where John Wilkes Booth's alias John St. Helen performed after the assassination of President Abraham Lincoln. Then they head to Garfield Furniture in Enid, Oklahoma, the former site of a Grand Avenue Hotel, where legend has it, Booth committed suicide under the name David E. George in 1903.