Subject
Missing persons
Investigation
96
Murder
32
Families
27
Police
27
History
26
Private investigators
25
Family secrets
18
Man-woman relationships
16
Crimes against
14
Friendship
13
Kidnapping
13
Mothers and daughters
13
Secrecy
11
Sisters
10
Americans
9
Brothers
9
Cold cases (Criminal investigation)
9
Journalists
9
Siblings
9
Teenage girls
9
Women
9
Disappeared persons
8
Fathers and daughters
7
Women private investigators
7
Young women
7
Fathers and sons
6
Indigenous women
6
Inheritance and succession
6
Missing children
6
Missing in action
6
Runaway teenagers
6
City and town life
5
Female friendship
5
Grief
5
Interpersonal relations
5
Married people
5
Officials and employees
5
Vampires
5
Veterans
5
Wilderness areas
5
Women detectives
5
Criminal investigation
4
Death
4
Identification
4
Indians of North America
4
Islands
4
Judges
4
Librarians
4
Magic
4
more ...