Complaint Form for Individual Complaints at MN DOC Facilities. The false imprisonment crime in Minnesota is a very consequential offense, leading to custody time and possible sex offender registration.Minnesota Statute Section 609.50 defines obstruction of legal process in our state. It also outlines the penalties associated with committing this crime. Each case the CRU accepts for review will have a strong indication that the person imprisoned could be innocent of the crime for which they were convicted. Selfdefense is a common affirmative defense in Minnesota. Reasonable force, include lethal force, may be justified. Protect yourself legally: Discover the intricacies of self-defense laws and how they apply in Minnesota, with Attorney Thomas Gallagher. The Fourth Amendment does not permit Defendants to use excessive force. Though mitigation of damages is an affirmative defense, see Instruction ), it is rarely a complete defense.