VIDEO: A Waukesha teen is behind bars after police say she lashed out at her mother's ex-boyfriend. Police say the girl confessed to making a molotov cocktail and hurling it onto the man's front porch. Black scorch marks darken the siding of a Waukesha home. Investigators say 17-year-old Natasha Garczynski spent more than a decade plotting her revenge against her mother's ex-boyfriend. Now in custody, prosecutors say Garczynski lashed out at the man by making a molotov cocktail out of an old 'Leinenkugel grapefruit shandy bottle'.