Complex sentence: Spilotro and his brother Michael attended the meeting and were led to the basement where they saw several men in workmen's outfits and gloves and, realizing they were going to be murdered, asked if they could pray.
Split into simpler sentences: Spilotro and his brother Michael attended the meeting, where they were led to the basement. They saw several men in workmen's outfits and gloves and realized they were going to be murdered and asked if they could pray.