Major companies are getting sued continually. It probably isn’t an individual person, but a product that a team or department worked on that is involved in the lawsuit.
It's not clear if it was the employee in particular. It was a work device, so it's possible that devices from people on a team or involved in something were needed for some legal thing.
+1 It must have not been the employee in particular. Big companies get sued all the time, and then all written records on work devices, for products that got sued, becomes evidence.