What does Deuteronomy 17:5 mean?

then you need to look into it carefully. If it turns out to be true, and someone really has done something so bad in Israel, you have to bring that person out to the city gates and put them to death. But you can't do this lightly. Deuteronomy 17:5 - Modern Text Bible

(The community is responsible for investigating accusations thoroughly. The punishment is severe, but it's not to be carried out without certainty.)