Korra meditate and she sees Aang being blood bend and in a courthouse room with Toph and her grandfather sokka also a man in chains and then she sees the whole story after that she went to tell Tenzin who Amon is that he is the son of yakone

that is impossible said Tenzin

Yakone was never found and he lost his bend by Aang said Tenzin

Maybe but he Taught him without be able to bend said Korra

We must tell president raiko and lin so they both know said Tenzin

Ok let go said Korra

They left and went to raiko office and Lin came

So is someone going to tell me why we here said raiko

Amon can bloodbend said Korra

What is bloodbend? Said raiko

It a type of bend that waterbend can do said Korra

It was ban by my mother said Tenzin

This is bad said raiko

What do we do now? Said raiko

We stop him said Korra

How? Said Lin

We tell the whole city he a water bend said Korra

The city will not believe us said Lin

They will if president raiko said it said Korra

He not a bend so they trust him said Korra

I will do it if it means that we save the city said raiko

Raiko got most the Reporters outside stated taking

Fellow citizens of Republic city the person you known as Amon is waterbend he can use a type of water bend call bloodbend that how he takes People bend away he must be stop and stop believe in his ways here a message to Amon :you think you are a good person but you are not people fear you and you cause people pain but the avatar is the most greatest person in the world, my saying is we will not be afraid of you anymore that all I have said raiko

Wow said the Lin, korra and Tenzin

I just spoke what I had in my heart and now we wait said raiko