John 3:24

For as yet John was not cast into prison.

Matthew 4:12

But when Jesus heard that John was cast into prison, he retired into Galilee;

Matthew 14:3

For Herod having seized John, had bound him, and put him in prison, for the sake of Herodias, the wife of Philip his brother.

Mark 6:17

For Herod himself had sent and seized upon John, and bound him in prison, for Herodias' sake, his brother Philip's wife; because he had married her.

Luke 3:19-20

Now Herod the tetrarch, being reproved by him, on account of Herodias his brother Philip's wife, and for all the other wicked actions which he had done,

Luke 9:7-9

Then Herod the tetrarch heard of all things that were done by him; and he was in much distraction of mind, because it was said by some, that John was risen from the dead:

Treasury of Scripture Knowledge

Summary

For John was not yet cast into prison.

Bible References

General references

Matthew 4:12
But when Jesus heard that John was cast into prison, he retired into Galilee;
Matthew 14:3
For Herod having seized John, had bound him, and put him in prison, for the sake of Herodias, the wife of Philip his brother.
Mark 6:17
For Herod himself had sent and seized upon John, and bound him in prison, for Herodias' sake, his brother Philip's wife; because he had married her.
Luke 3:19
Now Herod the tetrarch, being reproved by him, on account of Herodias his brother Philip's wife, and for all the other wicked actions which he had done,
Luke 9:7
Then Herod the tetrarch heard of all things that were done by him; and he was in much distraction of mind, because it was said by some, that John was risen from the dead: