Illinois Complaint In Forcible Entry and Detained (F.E.D.) is a legal document filed in the circuit court of Illinois by a landlord or property owner against a tenant or former tenant for unlawfully occupying or maintaining possession of the leased premises. The complaint seeks to remove the tenant from the leased property and recover damages for past due rent, late fees, and court costs. There are three types of Illinois Complaint In Forcible Entry and Detained: 1. Tenant Holdover: A tenant holdover complaint is filed when a tenant continues to occupy the leased property after the lease has expired. 2. Non-Payment of Rent: A non-payment of rent complaint is filed when a tenant fails to pay rent on time or in full. 3. Illegal Activity: An illegal activity complaint is filed when a tenant engages in illegal activities on the leased property.