Subject
Crimes against
Murder
51
Investigation
46
Police
42
Women
37
Young women
24
History
12
Serial murderers
12
Women journalists
11
Children
10
Teenage girls
10
Kidnapping
9
Missing persons
9
Girls
8
Private investigators
7
Race relations
7
College teachers
6
Family secrets
6
Journalists
6
Brothers
5
Judges
5
Secrecy
5
Serial murder investigation
5
Serial murders
5
Actresses
4
Americans
4
Authors
4
Cold cases (Criminal investigation)
4
Hole, Harry (Fictitious character)
4
Husbands
4
Identity (Psychology)
4
Kidnapping victims
4
Married people
4
Missing children
4
Rich people
4
Secret societies
4
Single women
4
Sisters
4
Witnesses
4
Women detectives
4
Women private investigators
4
African American teenage boys
3
African Americans
3
Anthropologists
3
Drug addicts
3
Indians of North America
3
Life change events
3
Murder victims' families
3
Organized crime
3
Psychopaths
3
more ...