Matthew 14:5

And though he wished to kill him, he was afraid of the multitude, for they held him as a prophet.

Matthew 11:9

Yet what went ye out to see? A prophet? Yes, I tell you, and abundantly more than a prophet.

Matthew 21:26

But if we say, From men, we are afraid of the populace, for they all hold John as a prophet.

Matthew 21:32

For John came unto you in the way of righteousness, and ye believed him not: but the tax-gatherers and harlots believed on him. But ye, when ye saw it, repented not afterwards, that ye should believe on him.

Mark 6:19-20

Therefore Herodias bore him a rooted resentment, and would have slain him; yet could not:

Mark 11:30-32

The baptism of John, was it of heaven, or of men? answer me.

Mark 14:1-2

NOW the passover and the feast of unleavened bread were but two days distant; and the chief priests, and the scribes, sought how they might seize him by craft, and kill him.

Luke 20:6

But if we say, Of men; all the people will stone us: for they are persuaded that John was a prophet.

Acts 4:21

Then they with many additional threatenings dismissed them, finding no pretext how they might punish them, because of the people: for all men glorified God for what had been done.

Acts 5:26

Then went the captain, with the officers, and brought them; not forcibly, for they were afraid of the people, lest they should stone them.

Treasury of Scripture Knowledge

Summary

And when he would have put him to death, he feared the multitude, because they counted him as a prophet.

Bible References

When

Mark 6:19
Therefore Herodias bore him a rooted resentment, and would have slain him; yet could not:
Mark 14:1
NOW the passover and the feast of unleavened bread were but two days distant; and the chief priests, and the scribes, sought how they might seize him by craft, and kill him.
Acts 4:21
Then they with many additional threatenings dismissed them, finding no pretext how they might punish them, because of the people: for all men glorified God for what had been done.
Acts 5:26
Then went the captain, with the officers, and brought them; not forcibly, for they were afraid of the people, lest they should stone them.

Because

Matthew 21:26
But if we say, From men, we are afraid of the populace, for they all hold John as a prophet.
Mark 11:30
The baptism of John, was it of heaven, or of men? answer me.
Luke 20:6
But if we say, Of men; all the people will stone us: for they are persuaded that John was a prophet.