He has not been locked up. You might think of Shippuden episode 116, when he visits Karin who worked in a prison, or when he freed Jugo in the next episode.
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I think it's episode 107 or around it.
Fugaku Uchiha is Sasuke and Itachi's father. He believed that Itachi was the Uchiha clan's future and did everything in his power to aid Itachi in his goal. As a result, he often scorned Sasuke. Even after being told from Itachi to spend time with Sasuke, Fugaku continued to spend more time with Itachi. Though Fugaku often talked about Sasuke when his wife and him were alone. Fugaku taught Sasuke almost everything he knows, including his fire stlyle jutsus, like the Fire Style Fire Flower Phoenix jutsu. He is later killed by Itachi. Fugaku Uchiha is Sasuke and Itachi's father. He believed that Itachi was the Uchiha clan's future and did everything in his power to aid Itachi in his goal. As a result, he often scorned Sasuke. Even after being told from Itachi to spend time with Sasuke, Fugaku continued to spend more time with Itachi. Though Fugaku often talked about Sasuke when his wife and him were alone. Fugaku taught Sasuke almost everything he knows, including his fire stlyle jutsus, like the Fire Style Fire Flower Phoenix jutsu. He is later killed by Itachi.
no because so far in the manga and episode sasuke is bad i'm not saying he will always be evil
itachi's last words he said to sasuke were "sorry sasuke, this is the last time" and by that he ment that it would be the last time he brought pain,sorrow and fear to sasuke and that was confermed his last words by "masahi kishimoto" the writer of the manga naruto
So far, Sasuke hasn't returned, but acording to the manga, he has claimed to want to become Hokage. He joins in with the fight and team 7 is reborn. If he does stick with his plans, he has a high chance he will come back to the Leaf Village, by his free will, nonetheless. My guess is that he will end up going back to the Leaf Village, but what happens to him then, I don't have a clue. He could be put in jail and interrogated, or he could actually end up being Hokage. But with everyone's reactions where he makes the statement of wanting to become Hokage, they won't let his past actions slide easily, so he may have trouble if he returns.