Of people, people think federal law barred suing gun shops and manufacturers. describe what the federal law restricted and why it didn't apply to this case. >> 2005, congress passed and president bush signed the protection of lawful commerce in arms act, that granted immunity to gun sellers, both manufacturers and gun stores, for any liability that arises out of a shooting committed by a person who was a criminal who misuses the gun. there are a number of exceptions to that immunity. two of the exceptions are in place in this case. the first exception is where the gun seller knowingly violates...