Investigative Case Files of the Bureau of Investigation 1908-1922 are not just about Anti-American activities during the World War I and before time period.This screen shot comes from an investigation in Columbus, New Mexico into Jack Demoss and Mary White. Demoss was accused of acquiring and selling whiskey and Mary White (his housekeeper) was accused of running a bawdy house. There is a fair amount of testimony in the file.
Site readers can view the casefiles here or start a free trial atFootnote.com. I am looking at one of the German families located in these records in an upcoming issue of Casefile Clues.
Many other files are investigations into draft evasion. These usually contain some proof of age. Do not just assume that these files are only about Germans. That would be a mistake. Demoss indicates other locations he had lived and a location of a previous arrest is given.