Alright kiddo, so you know how sometimes people want to know things that they can't just Google or ask someone politely? Like maybe they want to know secret plans from another country, or where a criminal group is hiding their illegal activities. That's where something called "clandestine human intelligence" comes in.
Basically, there are some people who are really good at getting secret information by talking to other people. We call them "intelligence agents." But often, the people they need to talk to don't want to tell them anything, because they don't want to get in trouble or get caught. So these intelligence agents have to be sneaky and clever to get the information they need.
That's where the "clandestine" part comes in. It basically means "secret" or "hidden." So these agents have to work secretly and carefully so no one realizes they are trying to gather information. They might use code words or secret signals to communicate with each other so no one else knows what they're talking about.
Sometimes, these agents might even pretend to be someone else entirely, like a normal person who just happens to be in the right place at the right time to overhear some important information. Other times, they might work with people who are already part of a secret organization, like a spy network, to try and get inside information.
Now, it's important to note that these intelligence agents work for their own governments or organizations, and what they're doing is usually legal under international law. However, some people might still think what they're doing is wrong or unethical, because it involves spying on other people or countries.
But regardless of what you think about it, the fact is that clandestine human intelligence plays a really important role in keeping countries and people safe. Sometimes, the information these agents gather can help prevent a terrorist attack or stop a criminal organization from doing harm. So while it might seem sneaky or mysterious, it's actually a really important tool for keeping us all safe.