Society/People/Lost_or_Missing is for sites providing general information and assistance to friends and families of lost or missing persons. It includes databases of missing persons, lost friends and relatives as well as links to cross-reference directories and other potential sources of information and services for tracing missing persons.
Society/People/Lost_or_Missing is for non-commercial sites providing general information and assistance.

Sites relating to specific missing individuals or specific groups (such as class reunions) should be placed under Society: People: Lost or Missing: Personals.

Commercial sites relating to fee-based agencies, search software etc. should be placed under Society: People: Lost or Missing: Locator Services.

Society/People/Missing_People/Locator_Services are commercial services and private researchers that provide professional assistance, usually for a fee, to aid in locating missing people. Records search firms and people locator services have different levels of expertise and may use different resources than law enforcement agencies and licensed private investigators who are categorized elsewhere.
Society/People/Missing_People/Locator_Services are commercial services and private researchers that provide professional assistance, usually for a fee, to aid in locating missing people.
Society/People/Missing_People/Personals is for non-commercial sites relating primarily to the search for a specific individual or group of individuals (such as a specific class reunion). This is not a category for sites aiming to help people generally to find missing persons, lost friends or relations (see Society: People: Missing People for non-commercial sites, or Society: People: Missing People: Locator Services for commercial fee-based sites).