A Massachusetts teenager who allegedly used ChatGPT for searches about 'killing his family' before murdering his mother and brother flashed a wide-eyed stare in court, as prosecutors claimed he spent $2,000 on cereal bars following the murders. Arjun Aravind, 17, was arraigned in Concord District Court on Thursday after being accused of killing his mother Sudha Venkatesan, 45, and his younger brother, Siddharth Aravind, 14, inside their $1 million home in Acton two days prior. Aravind, who had his hands and ankles cuffed, glanced around the courtroom at times, with his dark, wavy hair partly obscuring his face. A police...