Source: courthousenews.com 2/24/26
Social platforms like Google Photos that voluntarily scan for child sexual abuse materials are not acting as agents of the government and the search is private, according to the state’s top court.
MADISON, Wis. (CN) — The Wisconsin Supreme Court on Tuesday unanimously held that Google’s voluntary scan for child sexual abuse materials is constitutional.
Andreas Rauch Sharak stored child sexual abuse materials in his Google Photos account in violation of the terms of service, which warned such materials would be removed if detected and reported to the National Center for Missing & Exploited Children.
The platform uses third-party software to scan accounts for child sexual abuse materials. It flagged suspected contraband in Rauch Sharak’s account before a Google employee viewed to confirm the materials and sent a so-called “cyber tip” to the center.
The center forwarded the tip to local law enforcement, where the files were viewed without a warrant. Rauch Sharak pushed the lower court to suppress the…

The problem I see coming up is that LE will always demand to search phones without warrants now. All they have to do is claim they got an anonymous CSAM tip. And yes, they will undoubtedly abuse it.
There was a great article on this very subject on the TechDirt website on this very subject the other day. The unconstitutionality comes from from Google, Apple, and friends being forced to search for CSAM by governments. When that happens they become government agents and the Fourth Amendment kicks in, preventing anything discovered from being used as evidence.