Complex sentence: In 1994, Kaelin was staying in a guest house on Simpson's Rockingham estate and was present at the compound on the night of the two murders on June 12; thus, he witnessed some of Simpson's movements before and after the time of the murders.
Split into simpler sentences: In 1994, Kaelin was staying in a guest house on Simpson's Rockingham estate and was present at the compound on the night of the two murders on June 12. He witnessed some of Simpson's movements before and after the time of the murders.