What is there to "defend" about 3d printing?

Didn't say easy, I said easier and I didn't talk about the manufacture and assembly process I was talking about the obtaining process.

I guess buying a block of plastic is easier than buying a factory gun. And grinding off a serial # in a stolen gun is easier and cheaper than making a p80.

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I guess buying a block of plastic is easier than buying a factory gun. And grinding off a serial # in a stolen gun is easier and cheaper than making a p80.

If you have a stolen gun, does the serial number really matter?  Not like the number can be used to tie you to a specific crime, since there's no record of you owning it.

Which is worse?  Being in possession of a gun reported stolen (based on the serial number), or having a gun with the serial number removed?

I tend to think a gun with an altered number is worse.

If you have a stolen gun, does the serial number really matter?  Not like the number can be used to tie you to a specific crime, since there's no record of you owning it.

Which is worse?  Being in possession of a gun reported stolen (based on the serial number), or having a gun with the serial number removed?

I tend to think a gun with an altered number is worse.

If it didn't matter why would criminals so often grind the serial number off? I would rather have a gun with a ground off serial number than one identfiable and possibly linked to a crime.

I guess buying a block of plastic is easier than buying a factory gun. And grinding off a serial # in a stolen gun is easier and cheaper than making a p80.

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Grinding off a serial number is not only omitting another crime but also wouldn't necessarily prevent tracing the gun back to a crime with that firearm.

Grinding off a serial number is not only omitting another crime but also wouldn't necessarily prevent tracing the gun back to a crime with that firearm.

"Omitting?"   

There's that phrase again: not necessarily.

Nothing is guaranteed, but it's more productive to discuss the vast majority rather than continually muddying the waters with rare or unlikely outcomes.

If that gun was used in a previous crime, why is it now on the streets again?  Did a Cop steal it from evidence and obliterate the serial number as a "throw down?" Maybe he needed a "clean gun" to commit a crime that couldn't be traced to him or the department?  Who has access to "guns used in crimes" other than the police?

If someone commits a crime using a gun, chances are they are now felons, unable to reclaim their gun.  If they owned it, it probably gets destroyed.  If they stole it, it may be returned to the owner.  What are the chances the same gun gets stolen and used in a crime twice and THEN a third time with the serial number removed?

Just wondering why you think a gun with a removed serial would be in a criminal's hands.  If the same gun was able to be traced "back to a crime with that firearm,"  how would that even work exactly?

"Omitting?"   

There's that phrase again: not necessarily.

Nothing is guaranteed, but it's more productive to discuss the vast majority rather than continually muddying the waters with rare or unlikely outcomes.

If that gun was used in a previous crime, why is it now on the streets again?  Did a Cop steal it from evidence and obliterate the serial number as a "throw down?" Maybe he needed a "clean gun" to commit a crime that couldn't be traced to him or the department?  Who has access to "guns used in crimes" other than the police?

If someone commits a crime using a gun, chances are they are now felons, unable to reclaim their gun.  If they owned it, it probably gets destroyed.  If they stole it, it may be returned to the owner.  What are the chances the same gun gets stolen and used in a crime twice and THEN a third time with the serial number removed?

Just wondering why you think a gun with a removed serial would be in a criminal's hands.  If the same gun was able to be traced "back to a crime with that firearm,"  how would that even work exactly?

Sorry, typo. Committing.

And yes, "not necessarily". In some situations grinding off a serial number may prevent cops from connecting the gun to another crime but in other situations there still might be enough identifying factors to connect the firearm to another crime. 

Grinding off a serial number is not only omitting another crime but also wouldn't necessarily prevent tracing the gun back to a crime with that firearm.

Tracing what kind of crime do u mean?

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Tracing what kind of crime do u mean?

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That was my question, too.
"Just wondering why you think a gun with a removed serial would be in a criminal's hands.  If the same gun was able to be traced "back to a crime with that firearm,"  how would that even work exactly?"

Tracing what kind of crime do u mean?

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I meant that there are multiple ways to identify firearms and connect them in an investigation.
One can be a serial number
Another can be the lands and grooves in a barrel that puts a distinct mark on the bullet
Another can be unique marks left in the primer by the pin strike

So simply grinding off the serial number doesn't guarantee the gun can't be connected back to something else.

Another can be the lands and grooves in a barrel that puts a distinct mark on the bullet
Another can be unique marks left in the primer by the pin strike

So simply grinding off the serial number doesn't guarantee the gun can't be connected back to something else.

FIFY.

Just in case anyone else is wondering, there is no GPS on guns to put a time stamp when it was fired and at what location.  The way to ID a gun used at the scene of a crime is by the above (watch CSI for further details).