It would work if you indiscriminately jail anyone that “looks” like a gangbanger. But I would guess 30% of those jailed would be innocent even if the mass arres

It would work if you indiscriminately jail anyone that “looks” like a gangbanger. But I would guess 30% of those jailed would be innocent even if the mass arrests were made in good faith (they almost certainly won’t be at least in the US).