Kim Edwards and Lucas Markham

S1 E6: In 2016 a double murder shocked the sleepy village of Spalding, England. Two star crossed 14-year-old young lovers (Edwards and Markham), conspired to murder Edwards' mother and sister. This case of folie a deux is the youngest recorded incident of Matricide in UK criminal history. The police confessions are startling for the clinical justification made for the crimes.