Geofence searches allow law enforcement to find suspects and witnesses by sweeping up location data from cellphone users near crime scenes. The justices will examine how the Constitution’s traditional protections apply to rapidly changing technology that has made it easier for the police to scoop up vast amounts of data to assemble a detailed look at a person’s movements and activities.

The Supreme Court is set to hear arguments on Monday in a case that could lead to the dismissal of tens of thousands of lawsuits against Bayer, the pharmaceutical and biotech giant, that claim the weedkiller Roundup caused non-Hodgkin lymphoma.

Chief Justice Patricia Guerrero will welcome judges, educators, and students to the Third District Court of Appeal on May 1, in celebration of Law Day, a national day recognizing the rule of law and its role in our constitutional democracy. 

(Subscription required) California courts must begin tracking civil immigration arrests at their facilities under a new policy passed by the Judicial Council. Beginning May 1, courts will need to keep data, including the time and place of an arrest, the agency involved, and whether officers presented identification or a warrant.