The 27-year-old man, already serving a life sentence for one murder, has been charged with another and may hold the secret to other unsolved killings.

Information is gathered from local police forces and cross-referenced with other unsolved killings across the United States.

The authorities suspect him in three dozen other unsolved killings.

All eight unsolved American killings have now been assigned to a special prosecutor, with a staff of two assistant prosecutors and six police investigators.

In the vacuum created by the unsolved killings, the reconstructions hold the fascination of a car wreck.

What anyone knows about the still unsolved killing is much less than what people have been guessing for nearly 70 years.

There was a rash of unsolved killings attributed to him, but no solid evidence or eyewitness accounts.

Human rights advocates say Turkey has had more than 4,000 unsolved political killings since 1991.

He is also suspected in dozens of other unsolved killings.

Until the convictions, Stephen's murder was the country's most notorious unsolved killing.