Spilling recited the Oath of Allegiance at a naturalization ceremony on Aug. 11 at the Thomas F. Eagleton United States Courthouse.

Spilling recited the Oath of Allegiance at a naturalization ceremony on Aug. 11 at the Thomas F. Eagleton United States Courthouse.
Spilling recited the Oath of Allegiance at a naturalization ceremony on Aug. 11 at the Thomas F. Eagleton United States Courthouse.
Spilling recited the Oath of Allegiance at a naturalization ceremony on Aug. 11 at the Thomas F. Eagleton United States Courthouse.
The Saint Louis Zoo and Missouri Department of Conservation have taken an interest in her work.