There are a number of inheritors to a fortune who are getting killed by a mysterious somebody whom we do not see. Each death is novel, but not terribly graphic. Who did it?
1/1/1968
6/8/2009
6/27/1991
3/31/2006
10/3/1955
12/23/2009
8/2/1967
2/19/2004
2/1/1977
7/24/1981
12/10/1979
12/19/1946
3/8/1973
10/11/1944
3/2/2007
4/6/2001
2/14/2010
9/29/2000
10/7/2003
9/16/2021
10/11/2000