Missouri Laws > § 542.261 Missouri Laws 542.261 – Peace officer defined Current as of: 2023 | Check for updates | Other versions As used in sections 542.261 to 542.296 and section 542.301, the term “peace officer” means a police officer or* member of the highway patrol to the extent otherwise permitted by law to conduct searches, sheriff or deputy sheriff. Previous sectionNext section Chapter 542 Contents