The prisoner, returning to the house on Tuesday evening, had been authoritatively told that there had been a violent quarrel between Mr. and Mrs. Inglethorp. 
The prisoner arrived back at the house at 10pm on Tuesday.
mnli hypothesis: The prisoner arrived back at the house at 10pm on Tuesday. premise: The prisoner, returning to the house on Tuesday evening, had been authoritatively told that there had been a violent quarrel between Mr. and Mrs. Inglethorp. 