A former Parkland High School student admitted Wednesday to killing his 16-year-old ex-girlfriend and her mother, stabbing the mother 31 times.
John Derwin Bradley killed his ex-girlfriend, Rianna Lynn Glass, and her mother, 39-year-old Rosalyn Siobal Glass, in the early morning hours of Sept. 14, 2023, according to Northampton County Chief Deputy District Attorney William Blake.
Rianna’s father, Terry Glass, said he was both anxious and relieved after hearing Bradley admit to the crimes in court Wednesday…