A violent ex-partner was “ on autopilot ” when he stabbed a mother and her young autistic son to death in front of a distressed baby, a court was told. Daniel Boulton is alleged to have travelled 28 miles on foot to knife his former girlfriend Bethany Vincent and her nine-year-old son Darren Henson “ numerous times ” at around 8pm on May 31 2021. His trial was told he developed a “ hatred ” for Darren and walked from his address in Skegness to Ms Vincent’s home in High Holme Road, Louth Lincolns