Suspected of two cases of aggravated assault and one attempted manslaughter:
Mahamed Yussuf stabbed a victim on 12 April 2012 in the armpit area causing a wound in the greater pectoral muscle. In another instance he tried to kill another victim in Kontiolahti on 12 April 2012 by stabbing him in the chest. Stabbing caused a wound on the left side of the chest and the knife touched the heart. Victim survived by chance. Again in Kontiolahti on 13 April 2012 he assaulted yet another victim by stabbing him in the hand and stomach.