See this online video:
- Dr. Scott Hahn: A Presbyterian Minister Who Became a Catholic – The Journey Home (04-05-2004). Published on Dec 11, 2014. Available on this page at the Youtube channel of the Eternal Word Television Network (EWTN).
“I have other sheep too, which do not belong to this fold; I must bring them in too; they will listen to my voice; so there will be one fold, and one shepherd.” (St. John x, 16)