Acts 16:27
The jailor, who was awakened from sleep [by the commotion] saw the jail doors open so drew his [short] sword and prepared to kill himself, assuming that all the prisoners had escaped. [Note: He would have faced a humiliating execution himself if he had allowed capital offense criminals to escape. With that prospect in view, it was considered honorable by the Romans for a person to commit suicide].
Acts 12:19
When Herod's search for him turned up nothing, he questioned the guards, then ordered them to be led away and executed. He then left Judea and went to Caesarea, where he stayed for awhile.
Matthew 27:5
And he threw down the thirty silver coins in the Sanctuary [i.e., probably the outer area of the Temple], then left and went out and hanged himself.
Acts 16:23-24
After beating them severely, they threw them in jail and ordered the jailor to have them securely guarded.