'I Am He' in the Bible

And he said, Behold I am here, Lord. And the Lord said to him, Arise, go into the street called Straight, and inquire in the house of Judas, for one named Saul of Tarsus; for behold, he is praying.

Then Peter going down to the men, said, Behold, I am he whom ye seek: for what cause are ye come?