1. Does an overnight guest lose his or her reasonable expectation of privacy under Minnesota v. Olson by engaging in criminal acts within the house?

2. Does the "emergency aid" exception require specific reason to believe that someone has been harmed or is in danger and that urgent action is necessary, or can it be established by odd and slightly suspicious circumstances?

3. Does the "emergency aid" exception allow entry into a residence in the absence not only of a warrant but also of probable cause?

4. In the absence of a search warrant or any valid exception to the warrant requirement, can law enforcement officers enter into a private residence for the purpose of seizing items merely because those items were previously seen by other officers legitimately on the premises?

Does an overnight guest lose his or her reasonable expectation of privacy by engaging in criminal acts within the house?