Renewal of Covenant through Circumcision and Passover

The Angel of the Lord is mentioned dozens of times in the Holy Scriptures, yet the identity and nature of this figure is fuzzy for many Christians. Is he an angel like one of heavenly hosts? Is he a symbol of Jesus Christ? Is he the Son of God Himself? Does he have a body? Is this figure compatible with Trinitarian theology? Fr. Andrew Stephen Damick and Fr. Stephen De Young begin a four-part series on the Christology of the Old Testament.