Carmen Reed on CNN
http://edition.cnn.com/2009/SHOWBIZ/Movies/04/03/haunting.connecticut/ index.html#cnnSTCVideo
Carmen says there were "8 hours" of this documentary "on the cutting-room floor."
I assume she means from the interviews.
The Amityville Horror Truth forum:
http://www.amityvillefaq.com/truthboard/