Television shows may make it seem like it is no big deal to monitor a suspect electronically. It sometimes looks so easy to track a person through their cell phone or computer, just a matter a few keystrokes....

Nearly two years ago, the U.S. Supreme Court struck down a Washington, D.C., handgun ban in a landmark ruling with a 5-4 vote. The decision in District of Columbia v. Heller  held that the Second Amendment...