Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: (CNN) An additional charge has been filed against a Maryland man accused of tweeting an animated strobe image to a journalist with epilepsy, prosecutors in Texas said Monday. John Rayne Rivello, 29, was charged with aggravated assault with a deadly weapon, said Brittany Dunn with the Dallas County District Attorney's Office. A grand jury referral said Rivello sent the tweet knowing journalist Kurt Eichenwald was "susceptible to seizures and that such animations are capable of causing seizures." The document said Rivello used "a deadly weapon, to wit: a tweet and a graphics interchange format (GIF) and an electronic device and hands during the commission of the assault."Man also faces federal cyberstalking chargeJournalist says he suffered a seizure and received more flashing images 
 Question:The Twitter account belonging to _ allegedly contained direct messages sent to other users regarding Eichenwald with statements like, "I hope this sends him into a seizure," "Spammed this at (victim) let's see if he dies," and "I know he has epilepsy," according to the allegations in an affidavit that was unsealed Friday.

John Rayne Rivello