It also cannot verify that every search is lawful.
If Grimmett loses, the case could at least cement ALPR use in Kansas, if not elsewhere, due to precedent.
The complaint also cites an incident where an innocent couple was stopped multiple times, including once at gunpoint, after the system wrongly flagged their minivan as a stolen pickup truck.
The lawsuit references an older National Institute of Justice report that found 80–85% accuracy was typical for ALPR systems in real-world deployments.
Applied to Wichita's 904,603 recorded searches over a 32-day period, that could theoretically mean hundreds of thousands of incorrect results.
However, that is an extrapolation, not a citywide audit, and it is not Flock admitting its cameras are wrong 20% of the time.
There have been many examples of ALPRs getting things wrong, with police failing to catch the issue, leading to negative consequences.
The constitutional argument may ultimately matter more than the math.
Grimmett's attorneys compare the network to a GPS tracker, arguing that license plates have been transformed from simple registration tags into tools capable of reconstructing a person's movements.
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If a judge agrees, Wichita may not be the last city forced to explain why it believes tracking everyone is an acceptable price for catching a few people.
