The general rule-of-thumb is to try to get a warrant whenever possible. On the other hand, if you can seize evidence without engaging in a search, you don't need either a warrant or any exception.
March 1, 2008
On average, 60,000 officers are assaulted on the job every year. That's an average of 164 per day. The risk level you face on the job makes it important not only to resist complacency and to follow prudent tactics, but also to understand how to ensure that your interactions with suspects are constitutionally justifiable, so that you are never forced to choose between being safe and being sued.
October 1, 2007
If you're lucky enough to have an eye­witness to a crime, and your investigation leads to a possible perpetrator, getting a photo ID is often the next logical step. As with everything else you do, there's the wrong way and the court's way.
February 1, 1996