> “Security researchers are constantly able to introspect what's happening in Apple’s [phone] software,” Apple vice president Craig Federighi said in an interview with the Wall Street Journal. “So if any changes were made that were to expand the scope of this in some way—in a way that we had committed to not doing—there’s verifiability, they can spot that that's happening.”
Apple uses complex cryptography to shield themselves and their list providers from accountability. You cannot determine if they've included non-child-abuse images in the database through inspection.