1: Moscow ( CNN ) In his first substantive comments since Kremlin critic Boris Nemtsov 's death , Russian President Vladimir Putin on Wednesday called the killing a  disgrace  and lashed out at what he called  extremists  and protesters . 2: Referring to  the daring killing of Boris Nemtsov in the very heart of our capital city ,  he said ,  Russia should be made secure , at last , from the disgrace and tragedies of ( this ) kind .  3: Vladimir Putin : Russia should be safe from  disgrace and tragedies  like Nemtsov 's killing .
1: Kremlin critic Boris Nemtsov 's death 2: the daring killing of Boris Nemtsov 3: Nemtsov 's killing