Missouri detectives were shocked they learned someone had strangled Bobbi Jo Stinnett and cut her unborn baby out of her womb. Who would do such a thing — and why?

When multiple Black men were stabbed in Michigan, police suspected they had a serial attacker on their hand. Then, the stabbings moved to Virginia.

As investigators tried to determine who weighed Rachel Timmerman down with cinder blocks and threw her in a Michigan lake, they discovered multiple people connected to their main suspect had gone missing. 

Thomas Dillon wrote a letter to the newspaper after shooting a man to death, claiming he had an urge to kill.

Rhode Island detectives searched for three missing women and soon uncovered a serial killer who admitted to having an "uncontrollable urge" for murder.

A staggering triple murder and abduction case leads Ohio investigators to Matthew Hoffman, a deranged killer with a possible “sexual attraction” to trees.

In Chapel Hill, North Carolina, the search for a missing 20-year-old man turned into a twisted homicide case.

A killer with “a thirst for blood” left a trail of women’s bodies in Middletown, NY and later told reporters he enjoyed doing it.

In 2000, Detroit police searched for the deranged serial killer who posed  and had sex with his victims. 

"He never turned around. I just shot him in the back," Quincy Allen bragged to a friend on the phone while discussing his crimes.