President Donald Trump humiliated CNN's Jim Acosta on Thursday after the professional troll accidentally admitted that border walls work during the president's visit to McAllen, Texas.
Acosta posted multiple videos to his Twitter account showing how safe the border was in an area where there were large steel slats separating the border.
After being mocked the entire day on social media and in news reports, Trump mocked Acosta on Twitter, tweeting, "Dear Diary..." at him.
The term "Dear Diary" is used to mock Acosta on social media because his posts often sound like he is writing his personal feelings in a diary.
Acosta had posted multiple videos on Twitter that earned him significant ridicule all day: