Were Cain & Abel Seventh-Day Adventists? Why Was Abel Killed!?! Is the SDA Message in the OT Movement? MUST Watch. Mountain of Truth Series: OT Movement Part 1. Get you Bible's and learn more about the SDA movement in the OT. Is the SDA message found in the OT. Learn more about the ONE CHURCH of Jesus. Are you in or out? It study time. Speaker: Cary Rodgers at Pathway to Peace Ministries