Minassian told doctors he knew at the time of attack that his actions would be extremely devastating and irreversible

Alek Minassian had plenty of friends and normal social interaction with them, according to prosecutors at the mass murder trial. A Yale doctor spent a fifth day on the stand defending his position that Minassian’s autistic characteristics led to his Yonge Street van attack in 2018. Lisa Hepfner has the latest.