The first court appearance in a criminal case is called the arraignment hearing. The court may ask the defendant to fill out a Statement of Rights form.Lexis 1545 (9th Cir.). Two men were arrested under outstanding warrants and were held in a county jail for 30 days or more before they were arraigned in court. The Conviction Integrity Unit (CIU) of the Hennepin County Attorney's Office works to investigate criminal convictions within Hennepin County. False imprisonment, unlawful arrest, and false arrests can harm a person, not just physically, but also emotionally and mentally. Note: Some information on this page may only apply to cases in Hennepin County. The Arrest and Charging Stage - MN House Research Department. The main difference between the two is that false arrest requires an arrest, but, false imprisonment only requires unlawful detention. The tort of false imprisonment is similar to the tort of false arrest under Minnesota law.