by Hillary Mayell

About the author: Hillary Mayell is a writer for National Geographic.

Hundreds, if not thousands, of women are murdered by their families each year in the name of family “honor.” It’s difficult to get precise numbers on the phenomenon of honor killing; the murders frequently go unreported, the perpetrators unpunished, and the concept of family honor justifies the act in the eyes of some societies.

Most honor killings occur in countries where the concept of women as a vessel of the family reputation predominates, said Marsha Freemen, director of International Women’s Rights Action Watch at the Hubert Humphrey Institute of Public Affairs at the University of Minnesota.

Reports submitted to the United Nations Commission on Human Rights show that honor killings...