Complex sentence: On the night of Wednesday, November 19,1986, a friend of Helle's dropped her off at home in Newtown, CT; the last time anyone saw Helle Crafts alive.
Split into simpler sentences: On the night of Wednesday, November 19,1986, friend of Helle's dropped her off at home in Newtown, CT. It was the last time anyone saw Helle Crafts alive.