This is an online legal update course for Missouri law enforcement officers. The lesson addresses recent court decisions providing guidance to police regarding: what actions by law enforcement officers constitute a seizure of a package in the possession of a common carrier; what justifies the seizure of a package in the possession of a common carrier; how officers may obtain an anticipatory warrant; when a controlled delivery will support probable cause to arrest a suspect; when officers may conduct a protective sweep of a residence; what is the scope of a lawful protective sweep; and when will an officer be entitled to qualified immunity for actions taken during an investigation of alleged abuse by a family member.