A Predator Hidden in Plain Sight _ Robert Howard _ World_s Most Evil Killers

🕵️ "For over 40 years, a monster hid in plain sight—preying on young girls, killing at least two, and dying without ever revealing where he hid his first victim."Robert Howard, a serial sex offender, was the last person seen with 15-year-old Arlene Arkinson in 1994. He was acquitted of her murder, but convicted of killing 14-year-old Hannah Williams in 2001. He died in prison in 2015, taking the secret of Arlene's remains to his grave [citation:1][citation:4][citation:5].