Massachusetts teen charged with double murder after alleged use of AI for violent fantasies

A Concord, Massachusetts, teenager appeared in district court Thursday on a not-guilty plea to two counts of murder and several related offenses. Prosecutors allege Arjun Aravind, 17, killed his 45-year-old mother, Sudha Venkatesan, and his 14-year-old brother, Siddharth Aravind, inside their home on Tuesday.

Police were alerted after the family’s tutor could not make contact with the residents during a scheduled visit. Officers found the two victims dead shortly after 6:30 p.m., with the brother located on the first floor and the mother in the basement. The teen’s father, who had spoken with his wife that morning before leaving for work, reported the incident.

During the investigation, authorities uncovered online activity they described as “concerning.”

"Arjun had recently been demonstrating some concerning behavior, including using the internet and ChatGPT to make searches for theoretical ideas or fantasy stories regarding the killing of his family," Middlesex County District Attorney Marian Ryan said at a press conference.

Ryan added that the teenager appeared to be drafting “fantasy stories, kind of the gothic novel kind of stories,” that involved threats to his family. The cause of death has not yet been officially released, but prosecutors said blunt-force trauma was evident.

Both Arjun and his mother’s 2014 green Honda Accord were missing from the residence when police arrived. The vehicle was later located in a Wayland parking lot after an alarm was triggered, and Arjun was arrested inside the car at about 3:40 a.m. Evidence recovered from the car was said to correspond to items found at the murder scene.

Aravind now faces two murder counts, multiple assault and battery charges, vehicle-theft and related offenses. The district attorney’s office has not received comment from OpenAI, the parent company of ChatGPT.