Rick Ross via CultEducation.com is a leading Cult Expert. “Witness to Waco” provides an in-depth look into the Branch Davidians, a religious cult led by David Koresh in the late 1980s and early 1990s that ultimately met with a tragic, fiery end. Check out an in-depth look into the Branch Davidians, the religious cult, which came to a tragic and fiery end in Waco, TX.