. A person who unlawfully (1) by violence or threats prevents or attempts to prevent another person from making a statement as a witness, expert witness, other person to be heard or a party in a trial, criminal investigation, police inquiry or other comparable official proceedings, or influences or attempts to influence the contents of the statement, or (2) employs violence or threats violence against another person or a person related to him or her in the manner referred to in section 10, subsection 2 because of a statement made by him or her in the hearing referred to above, shall, unless a more severe penalty has been provided elsewhere in law for the act, be sentenced for threatening a person to be heard in the administration of justice to a fine or to imprisonment for at most three years. Section 10 - Failure to report a serious offence (563/1998) (1) A person who knows of imminent genocide, preparation of genocide, crime against humanity, aggravated crime against humanity, war crime, aggravated war crime, torture, breach of the prohibition of chemical weapons, breach of the prohibition of biological weapons, compromising of the sovereignty of Finland, treason, aggravated treason, espionage, aggravated espionage, high treason, aggravated high treason, rape, aggravated rape, aggravated sexual abuse of a child, murder, manslaughter, killing, aggravated assault, robbery, aggravated robbery, trafficking in persons, aggravated trafficking in persons, hostage taking, aggravated criminal mischief, aggravated endangerment of health, nuclear device offence, hijacking, an offence committed with terrorist intent referred to in Chapter 34(a), section 1, subsection 1(3), aggravated impairment of the environment or aggravated narcotics offence, and fails to report it to the authorities or the endangered person when there still is time to prevent the offence, shall be sentenced, if the offence or a punishable attempt thereof is committed, for a failure to report a serious offence to a fine or to imprisonment for at most six months. (990/2009) (2) However, a person shall not be sentenced for failure to report a serious offence, if, in order to prevent the offence, he or she would have had to denounce his or her present or former spouse, present cohabiting partner, a sibling, a direct ascendant or descendant, or a person with whom he or she has a corresponding couple relationship or close relationship corresponding to kinship. Section 11 - Harbouring an offender (563/1998) (1) A person who, after becoming aware of an offence, by furthering the escape of the offender or by destroying evidence prevents or attempts to prevent the offender from being brought to justice, shall be sentenced for harbouring an offender to a fine or to imprisonment for at most one year.