Mark 14:44

(Now the traitor had given them a sign, saying, The man, whom I shall kiss, is He; lay hold of Him and lead Him away safely:)

Matthew 26:48-50

(now he that betrayed Him, had given them a signal, saying, The man whom I shall kiss is He, lay hold of Him:)

Acts 16:23

And when they had given them many stripes, they cast them into prison, charging the jailor to keep them safely.

Philippians 1:28

and are in nothing terrified by your adversaries: which is a demonstration of ruin to them, but to you of salvation, and this from God.

2 Thessalonians 3:17

The salutation of me Paul by my own hand, which is the token in every epistle; for so I write,

Treasury of Scripture Knowledge

Summary

And he that betrayed him had given them a token, saying, Whomsoever I shall kiss, that same is he; take him, and lead him away safely.

Whomsoever

And lead

Bible References

A token

Philippians 1:28
and are in nothing terrified by your adversaries: which is a demonstration of ruin to them, but to you of salvation, and this from God.
2 Thessalonians 3:17
The salutation of me Paul by my own hand, which is the token in every epistle; for so I write,

Whomsoever

Matthew 26:48
(now he that betrayed Him, had given them a signal, saying, The man whom I shall kiss is He, lay hold of Him:)

And lead

Acts 16:23
And when they had given them many stripes, they cast them into prison, charging the jailor to keep them safely.