Prisons used for Confining: Persons Accused of Heresy
Source: TTT
Acts 4:3
They seized Peter and John, and because it was evening, they put them in custody until the next day.
Acts 5:18
and arrested the apostles and put them in the public jail.
Acts 8:3
But Saul began to destroy the church. Going from house to house, he dragged off men and women and put them in prison.