Welcome to Law.com Class Actions: Critical Mass, a weekly briefing for class action and mass tort attorneys.

This week: Plaintiffs lawyers suing Norfolk Southern over its Feb. 3 derailment now have until Thursday to inspect the wreckage in East Palestine, Ohio. New lawsuits target Tesla’s recall, while shareholder trials against Elon Musk are far from over. Find out who on the plaintiffs’ team a judge appointed to sue Zillow over its session-replay software.