48 Now the one who betrayed Him had given them a signal, saying, “Whoever I give a kiss [of greeting to], he is the one, take hold of him.”
Matthew 26:48 Cross References - AUV
Mark 14:44
44 Now the one who turned Him over to the Jewish leaders [i.e., Judas] had given them a signal, saying, “Whoever I give a kiss [of greeting] to, he is the one; arrest him and lead him away under guard.”