He was accused of 'assault'. = He was charged with 'assault'. = 'Assault' charges were brought against him.
He came 'under assault' for his unusual beliefs. [=he was severely criticized for his unusual beliefs]
He was found guilty of 'sexual assault'. [=the crime of touching someone in an unwanted sexual way]
(..) Whereas, I... might face disciplinary action at most. I think his jaw is broken. We'll be filing charges of criminal assault against this woman. As well as a civil suit. I told you, she needs to be muzzled. Back off. Actually, the problem isn't (..)2016 TvShow: Bones Title: The Murder of the Meninist Season: 11 Episode 12