This article is general in nature and is not intended as legal advice for any specific issue that might arise, since every situation is different. Always consult a knowledgeable landlord attorney with your specific legal issues.
A very recent court case highlights the ongoing importance of always conducting background checks on potential tenants. This particular situation arose at an RV park when two overnight guests refused to vacate despite never being offered a rental agreement. There were unusual circumstances that led to the situation, but the main point is to never let anyone become a tenant without running a thorough and accurate background report first.