Mary Trump on Sunday delivered yet another blistering critique of her uncle, Donald Trump , slamming him as unhinged and incoherent and a frightened, desperate man who is dementing.

The former president and current GOP nominee is demonstrably untethered from reality and Americans deserve to be told that theres a maniac on the loose, the clinical psychologist wrote in the latest issue of her email newsletter, The Good in Us .

Donald Trumps nonsensical response to a question about child care legislation at last weeks Economic Club of New York was proof, she suggested.

I defy anybody who was actually trying to follow the thread of that gibberish to tell me what it means. Nobody can, Mary Trump wrote, later summing up her uncles comments as disjointed riffing coupled with his greatest hits and catch phrases.

Trumps niece also reserved scorn for some corporate media organizations, which she accused of translating her uncles ramblings into a version of the English language we can all understand, sometimes giving them meaning that is not there.

Read Mary Trumps full analysis here.