The “Dead Man’s Statute” isn’t Johnny Depp’s latest “Pirates of the Caribbean” movie.

It’s a rule of evidence—adopted in many states, including New York—that could help 21st Century Fox attorneys mount an effective defense in the raft of sexual harassment suits it’s facing, despite the death earlier this week of Roger Ailes. The Fox News founder, who paid $20 million to end a suit brought by former anchor Gretchen Carlson, was accused in several of the disputes that followed her explosive allegations.