This statement makes no sense:
"The three men arrested in the Dallas suburb of Lancaster -- including Ranferi Osorio and Kelvin Morrison -- allegedly bought the guns in the U.S., scratched off the serial numbers and sent them to cartels in Mexico.
If the serial numbers were scratched off, HOW were they able to trace the weapons back to Texas? I call the story BS. ATF is trying to cover their sorry asses again.
The DMN mentioned that the serial numbers were only partially scratched off.
Ten years ago, they discovered how to recover serial numbers from defaced weapons, due to metal compression when it is stamped with a serial number. Defacing no longer works.