Complex sentence: A preacher at the mosque Saipov attended in Tampa said Saipov was devoted to outward observances of Islam, but exhibited rudimentary knowledge of the Quran and was very critical of American policies regarding Israel.
Split into simpler sentences: A preacher at the mosque Saipov attended in Tampa said Saipov was devoted to outward observances of Islam, but exhibited rudimentary knowledge of the Quran. The preacher also said Saipov was very critical of American policies regarding Israel.