Mr. Luddite wrote:

Watching a press conference by law enforcement officials investigating
the Texas church shootings.

They just said that a number of expended rounds have been recovered that
will be sent somewhere that maintains a ballistics database to see if
the rifle used had been previously used in any other shootings or crimes.

So, contrary to some of the discussions we've had here in the past, it
seems there *is* a data base maintained of the unique markings on the
rounds fired from a particular firearm.



If it has used in a crime...

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