John P. McTernan is a lifetime student of American history and has studied biblical prophecy since becoming a Christian in the early 1970s. He wrote As America Has Done to Israel and coauthored Israel: The Blessing or the Curse. Through television appearances, radio interviews, and seminars, McTernan regularly defends Israel in light of biblical prophecy.
In 1974, McTernan became involved with the pro-life movement and is a pro-life leader in central Pennsylvania. He cofounded International Cops for Christ, where he serves as an ordained chaplain, and he served as a U.S. Treasury agent for twenty-six years before retiring in 1998.
In August 2009, McTernan received an honorary doctorate in biblical studies from Calvary Christian College in South Bend, Indiana. He also holds a B.S. from Virginia Commonwealth University.
McTernan is married and has four children.