Complex sentence: Bob Batz of the "Pittsburgh Post-Gazette" describes the church's beliefs as hard to "pin down", casting them as "almost too weird to describe", as well as "complex and convoluted".
Split into simpler sentences: Bob Batz of the "Pittsburgh Post-Gazette" states that the church's beliefs are hard to "pin down". He views the group's teachings are "almost too weird to describe" and "complex and convoluted".