Chain analysis is a complex way of tracking your BTC path to different wallet address it sent until it was sent to a Centralized wallet such as exchange which will give identity to the thief. This is worth a lot of resources in able to avail this kind of resources. You can report your issue on your local police so that they will transfer you for internet crime division. As I said this will gonna cost you a lot and police officer will gonna waste there time tracking a missing BTC if this is just a small amount. Hacker probably use mixers which make this job very complex to solve.