Complex sentence: In 1992 and 1993, Ross opposed actions of the Branch Davidian group led by David Koresh in Waco, Texas and had previously deprogrammed a member of the group.
Split into simpler sentences: In 1992 and 1993, Ross opposed actions of the Branch Davidian group led by David Koresh in Waco, Texas. Ross had previously deprogrammed a member of the group.