Four days later the two witnesses who had looked down on the dead twin also died.

An important witness in the case died in a car explosion.

"As we approach the end of the century, the witnesses are dying," he said.

Most witnesses from the time have moved away or have died.

I'd almost tagged him with the truth, but the sole other witness had died in a car explosion.

He has acknowledged that it would be difficult to prosecute again, since witnesses have died.

At least three important witnesses died before the trial got under way.

All four witnesses to the political testament died shortly afterwards.

He said that over the years evidence had been lost and potential witnesses had died.

Many of the facts in the case are no longer verifiable because the principal witness has died.