An internet crime complaint center is a special place where people can report when something bad happens to them on the internet. This could be things like someone trying to steal their computer information, stealing their money or personal information, or even trying to scam them.
The people who work at the internet crime complaint center are like superheroes who fight against these bad people and try to help keep you safe on the internet. They collect all the information you give them about what happened and then figure out what they can do to help you.
It's important to remember that the internet can be a really fun and helpful place, but there are some bad people out there who try to do bad things. That's why it's always a good idea to be careful when you're online and to talk to a grown-up if anything weird ever happens.