>

Just like with drug test kits. Probably drug dogs too.
Summary: Police blindly assumed the name the software gave them was the guy, but if they'd actually looked at a photo and compared to the footage they would've been able to tell it wasn't him because of a visible mole and huge difference in body size, but they didn't so they arrested him and it took a week to correct it.
We could twist and try to blame facial recognition software, but the problem was the police. >

It's both.
The tech made the error, the police are taught to blindly trust their tech...like Michael Scott driving into a lake.