According to Helsingin Sanomat, Leo Komarov is up on traffic charges of jeopardizing the safety of others, as well as falsifying information to authorities.
Here’s a loose translation (Google) from the Helsingin Sanomat article, giving some insight into the situation:
“On the basis of offenses Komarov is suspected to function as traffic, so that it could jeopardize the safety of others. In addition, he is suspected of issuing false information about their income, or other similar matters to the authorities.
A traffic hazard is punishable by fines or up to six months in jail.