John 3:24

for John had not yet been thrown into prison.

Matthew 4:12

Now when Jesus heard that John [the Baptist] had been arrested and put in prison, He left for Galilee.

Matthew 14:3

For Herod had John arrested and bound him and put him in prison [at the fortress of Machaerus, east of the Jordan, to keep him away] because of Herodias, the wife of his brother Philip,

Mark 6:17

For Herod himself had sent [guards] and had John arrested and shackled in prison because of Herodias, the wife of his [half-] brother Philip, because he (Herod) had married her.

Luke 3:19-20

But when Herod [Antipas] the tetrarch was repeatedly reprimanded [and convicted by John’s disapproval] for having Herodias, his brother’s wife [as his own], and for all the wicked things that Herod had done,

Luke 9:7-9

Now Herod [Antipas] the tetrarch [who governed a portion of Palestine including Galilee and Perea] heard about all that was being done [by Jesus], and he was thoroughly perplexed, because it was said by some that John [the Baptist whom he had ordered beheaded] had been raised from the dead,

Treasury of Scripture Knowledge

Summary

For John was not yet cast into prison.

Bible References

General references

Matthew 4:12
Now when Jesus heard that John [the Baptist] had been arrested and put in prison, He left for Galilee.
Matthew 14:3
For Herod had John arrested and bound him and put him in prison [at the fortress of Machaerus, east of the Jordan, to keep him away] because of Herodias, the wife of his brother Philip,
Mark 6:17
For Herod himself had sent [guards] and had John arrested and shackled in prison because of Herodias, the wife of his [half-] brother Philip, because he (Herod) had married her.
Luke 3:19
But when Herod [Antipas] the tetrarch was repeatedly reprimanded [and convicted by John’s disapproval] for having Herodias, his brother’s wife [as his own], and for all the wicked things that Herod had done,
Luke 9:7
Now Herod [Antipas] the tetrarch [who governed a portion of Palestine including Galilee and Perea] heard about all that was being done [by Jesus], and he was thoroughly perplexed, because it was said by some that John [the Baptist whom he had ordered beheaded] had been raised from the dead,