Deputy Attorney General Sally Yates pictured here in 2015 announced the change in the photo array guidelines in January 2017.

However, some local law enforcement agencies have already begun to adopt such policies, including Dallas and Baltimore.

In December 2013, in conjunction with the Innocence Project.

The DOJ s 2017 revision comes 18 years after the last time federal law enforcement addressed photo array procedures and noted that research and practice have significantly evolved since then.

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