What is the third law of thermodynamics?

What is the zeroth law of thermodynamics?

458 cops died in the line of duty in the U.S. last year, making it the deadliest year in 90+ years. Covid-19 was the leading cause of death for cops in the United States, according to a report released on Tuesday by the National Law Enforcement Officers Memorial Fund, for the 2nd year in a row.

What is a law in science?