What happened to misses tutti and frutti the previous year on halloween? (from to kill a mockingbird)

Misses Tutti and Frutti (their names were Sarah and Frances), aside from their Yankee ways, were both deaf. Miss Tutti denied it and lived in a world of silence. Boo"s gang wait until the Barbers are thoroughly asleep. Then, Boo and his gang slip into their livingroom (nobody but the Radleys locked up at night), stealthily made away with every stick of furniture therein, and hid it in the cellar.