This has been a major issue recently, and Radley Balko of the libertarian-themed Reason magazine has done a great job covering the issue (from the pro-taping si

This has been a major issue recently, and Radley Balko of the libertarian-themed Reason magazine has done a great job covering the issue (from the pro-taping side, anyway), viz.: http://reason.com/archives/2010/09/20/how-to-record-the-cops http://reason.com/archives/2010/09/20/how-to-record-the-cops http://reason.com/blog/2010/09/14/cops-and-cameras http://reason.com/blog/2010/09/14/cops-and-cameras http://reason.com/blog/2010/09/27/maryland-judge-tosses-the-felo http://reason.com/blog/2010/09/27/maryland-judge-tosses-the-... EDIT: Radley, sorry.