Families of missing indigenous women march in Oklahoma

Jonathan Sam of Stillwater, Okla., a Navajo and Zuni native, joins a march to call for justice for missing and murdered indigenous women Friday, June 14, 2019, at the Cheyenne and Arapaho Tribes of Oklahoma in Concho, Okla. (AP Photo/Sue Ogrocki)

Carmen Thompson, of El Reno, Okla., looks over a poster of her niece, Emily Morgan, who was murdered in 2016, before the start of a march to call for justice for missing and murdered indigenous women Friday, June 14, 2019, at the Cheyenne and Arapaho Tribes of Oklahoma in Concho, Okla. (AP Photo/Sue Ogrocki)

A woman reaches for a red dress sticker, a symbol of missing and murdered indigenous women, following a march to call for justice for missing and murdered indigenous women Friday, June 14, 2019, at the Cheyenne and Arapaho Tribes of Oklahoma in Concho, Okla. (AP Photo/Sue Ogrocki)

A photographer videos signs in memory of missing and murdered indigenous women following a march to call for justice for missing and murdered indigenous women Friday, June 14, 2019, at the Cheyenne and Arapaho Tribes of Oklahoma in Concho, Okla. (AP Photo/Sue Ogrocki)

People march to call for justice for missing and murdered indigenous women Friday, June 14, 2019, at the Cheyenne and Arapaho Tribes of Oklahoma in Concho, Okla. (AP Photo/Sue Ogrocki)

Miranda Muehl, of Mustang, Okla., marches during a march to call for justice for missing and murdered indigenous women Friday, June 14, 2019, at the Cheyenne and Arapaho Tribes of Oklahoma in Concho, Okla. (AP Photo/Sue Ogrocki)