For facial recognition experts and privacy advocates, the East Bay detective’s request, while dystopian, was also entirely predictable. It emphasizes the ways that, without oversight, law enforcement is able to mix and match technologies in unintended ways, using untested algorithms to single out suspects based on unknowable criteria.
The idea that DNA is extremely predictive of phenotype is already kind of… ehh.
There may be some very large feature predictions you can mostly make, but something as specific as recognizing a person? No way in hell. Far too many environmental factors for appearance.