John the Baptist was by this time dead. However many people from Perea recognized that Jesus fulfilled what John the Baptist had predicted of Messiah. Their attitude contrasts with the hatred and unbelief of many in Jerusalem. They accepted John the Baptist"s testimony about Jesus because it proved to be true so far, not because the forerunner had performed signs. He had not. The witness of John the Baptist continued to bear fruit even after his death because he pointed people to Jesus, and Jesus did not disappoint them. [source][source][source]
John probably identified Jesus" destination as he did to imply the ending of Jesus" public ministry that John the Baptist introduced. References to John the Baptist form an inclusio that brackets the record of Jesus" public ministry to the multitudes in this Gospel ( John 1:19 to John 10:42). [source][source][source]