Seizure
Based on totality of circumstances, reasonable person doesn’t feel free to leave or decline officer’s request or otherwise terminate encounter.
Probable Cause
Truthworthy facts or knowledge sufficient for a reasonable person to believe that the supect has committed/is committing a crime
Arrest
Must be based upon probable cause
Warrants
Must be based on probable cause and particularity, not required for public place arrests
Non-Emergency In-Home Arrests
Requires a warrant
Station House Detention
Probable cause to compel person to come to police station for fingerprinting or interrogation