Acts 17:9 in the World English Bible
When they had taken security from Jason and the rest, they let them go.
Context
8 And they troubled the people and the rulers of the city, when they heard these things.
9 And when they had taken security of Jason, and of the other, they let them go.
10 And the brethren immediately sent away Paul and Silas by night unto Berea: who coming thither went into the synagogue of the Jews.