People Magazine Investigates Times Square Killer Richard Cottingham Two Hour Episode The Families Of Murderer's Victims Seek Answers

When we talk about a specific group of people, we consider it as singular and therefore, no need to add s. Peoples is used when we talk about two or more. He was always energetic and positive and he was a people person.

A Brutal Murderer's Confessions Inside the Times Square Killer Case

People is a collective noun. What is the plural of people person? A people person is someone who is outgoing and has good communication skills.