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?
1996
1946
1973
2000
1948
1944
2002
2007
2001
1995
2009
2016
2003
1971
1941
1975
1969
2025
1976
1934
