Should Niko go through with the deal, Dimitri again betrays him and keeps the heroin for himself. At Roman's wedding, an assassin sent by Dimitri unintentionally kills Roman with a stray bullet. Aided by Little Jacob, a devastated and vengeful Niko murders Dimitri, who in turn had killed Pegorino. Later, Mallorie informs Niko that she is pregnant with Roman's child, whom Niko vows to protect. Should Niko choose to exact revenge, he finds and kills Dimitri aboard the "Platypus". At Roman's wedding, Pegorino, furious at Niko's betrayal, targets him in a drive-by shooting, and accidentally kills Niko's new girlfriend, Patrick's sister Kate. Aided by Little Jacob and Roman, Niko tracks down and kills Pegorino. Later, Roman tells Niko that Mallorie is pregnant, and that they decided to name the baby after Kate if it is a girl.