Original: Christine Schürrer ( born June 30 , 1976 , in Hannover ) is a German citizen who murdered two Swedish children and seriously injured their mother with 15 blows to the head with a hammer after attacking them in their home in Arboga , Sweden , on March 17 , 2008 .
Simplified: On March 17 , 2008 , she murdered two Swedish children and seriously injured their mother after attacking them in their Arboga , Sweden home .