Inside the twisted double life of John Eric Armstrong, The 'Baby Doll' Serial Killer. He was unassuming, sweet, and friendly. "Saved" in church as a teen, he never caused trouble. In the Navy, they called him Opie. Though he was a big guy, he had a soft, boyish demeanor. "The boy next door," said those who worked with and knew him.  But John Eric Armstrong had a dark secret-hidden even from those closest to him.  Prowling Detroit's well-known … [Read more...]