Its discovery may lead to the finding of the murderer.

In one instance where a body was found in the woods with a bullet through the heart, there was nothing to indicate who had committed the crime.

The only scintilla of evidence was an exploded cartridge--a small thing on which to build a case.

But the district attorney had the hammer marks upon the cap magnified several hundred times and then set out to find the rifle which bore the hammer which had made them.

Thousands of rifles all over the State were examined.