Which preposition to use with catspaws

of Occurrences 4%

The truth is," he said, turning to me, "Philip Leithcourt has all along been the catspaw of Baron Oberg.

for Occurrences 2%

HITCHENS, DOLORES B. OLSEN Catspaw for murder, by D. B. Olsen.

in Occurrences 1%

The day will come when they will realize that they have been mere catspaws in the hands of the Centralia commercial interests.

Which preposition to use with  catspaws