The agony of her loss in 1974 and the injustice of never finding the 17-year-old’s killer cast her loved ones for decades and left her then-boyfriend to live out his life under a cloud of suspicion. That was until a private lab used a new technique, costing just $5,000 (£4,200), to test a trace of a DNA sample found in Carla’s bra to create a credible suspect profile and help find her killer . And in 2020, 46 years after her death, a suspect who had been questioned but never charged was finally jailed, aged 78, for the new
