The Colibrí Center for Human Rights is a non-profit non-governmental organization that uses forensic anthropology and advocacy to identify lives lost on the United States–Mexico border and to help families find loved ones who have gone missing on the border.

[2] Founded in 2013 by co-founders Chelsea Halstead, Reyna Araibi, William Masson and Robin Reineke, Colibrí came out of research on the US-Mexico border and in Mexico among forensic scientists, government officials, and families of the missing and dead.

[citation needed] They work closely with the Pima County Medical Examiner [4] to identify migrant lives lost.

[5] Missing Migrant Project The organization started out of a need to identify hundreds of remains that had been recovered in the Tucson sector of the US-Mexico border, housed in the Pima County Medical Examiner’s Office.

Networks across the country are comités of families who are experiencing similar “ambiguous loss” or death of a loved one.