IIRC those facts you request are very much included in several of the standard published stories of the case easily retrieved from search engines.
They had graduated at Smith, had been living in Vermont, were from Minnesota (Williams) and Maine (Winans) IIRC, and were in process of trying to move down to DC or Balto IIRC, but do try the search engines.
IIRC there was said to be but little blood in the tent.