police officer recalled the “evil” in a killer’s eyes as he tried to apprehend the wanted man in a Lincolnshire park.A manhunt had been launched for Daniel Boulton after the bodies of 26 year-old Bethany Vincent and her nine-year-old son Darren Henson were discovered at their home in Louth in June last year.PC Steve Denniss was walking in nearby Hubbards Hills when he saw a hooded figure who he quickly identified as the fugitive, who appeared to be staring at a woman.READ MORE: Mortician tells of 'worst death ever' - a man who was boiled alive in open manhole"I thought he was going to attack her,” PC Denniss told Hull Live. “So I had no option but to try and arrest him.