More guns are found at Brett 's house and DNA evidence shows he was one of the people that killed George but not the one that killed Ash .
Bianca kills Brett , saving Andy but preventing them getting any information from him .
More guns are found at Brett 's house and DNA evidence shows Andy was one of the people that killed George but not the one that killed Ash .
Bianca kills Brett , saving Andy but preventing them getting any information from him .