Requiring volunteers to pass criminal background checks for children-related organizations has increased over the past decade. Is this necessary or a step too far?

How much information should be dug up through a background check? And, is an extensive check beyond a criminal background screening always necessary?

Background checks were not conducted on workers cleaning up the Gulf Oil Spill, and a crime that might have occurred on the job could have been prevented by this.

Are those on the No-Fly List criminals? Should they be allowed to buy firearms, even when their status shows up on a background check?

Background checks are a standard part of employment procedures, but when are they too large of a factor in hiring?