1.   ATF requires more information from applicants, including fingerprint cards and photographs.

2.   A four-page form has to be filled out, and a fingerprint card must be completed at a law-enforcement agency.

3.   But the fingerprint card was at FBI headquarters in Washington, D.C., where a snowstorm closed the airport and prevented Cavanaugh from getting his man.

4.   Many state agencies accept fingerprint cards and then funnel them to DPS, which is the only state agency authorized to send the prints to the FBI.