Impelled by the news on the radio this a.m.
When something comes up and you need to pray, the old Roman Missal always comes through:
O God, Who didst break the chains of blessed Peter the Apostle, and didst restore him unscathed to liberty: loose the chains of Thy handmaid now in captivity, and through the merits of the same Apostle, grant also to her to escape unscathed. Through our Lord Jesus Christ. Amen.
Votive collect #35, "For Prisoners"
The Daily Missal and Liturgical Manual
(The Roman Missal, 1962)