It is commonly said by those opposed to the second amendment, that police will not be able to discern armed citizens who are legally carrying guns from criminals, and that armed confrontations will then result in widespread carnage. Here is an example where it did not happen. From fox16.com: Investigators said Qandil confronted his estranged wife, Tabitha Qandil, 31, Grayson Herrera, 23, and Dustin O'Conner, 27, as the three were headed to the movie theater. "The victim raised his shirt and showed a weapon within his waistband, began to pull the weapon. The other two were concealed handgun weapon...