Dr. Bill Warner is a historian, Islamic Scholar and an author. Dr. Warner has done some deep studies in history of religion and Islam. His lectures and books are very informative. His videos are enlightening.
We strongly recommend for you to watch these very informative videos:
Moderate Muslims are not the answer to Radical Islam - Dr. Bill Warner Because Moderate Muslims do not practice True Islam in its entirety! Radical Islam is True Islam word by word from Quran https://youtu.be/Y46rmJnSr0Q