When Murphy is killed in the ventilation fan , Andrews blames Ripley , suggesting that Murphy was concentrating on her rather than his work .
He becomes increasingly annoyed with Ripley when she leaves the infirmary and takes out his frustration on Clemens , who he distrusts .
When Murphy is killed in the ventilation fan , Andrews blames Ripley , suggesting that Murphy was concentrating on her rather than Ripley 's work .
He becomes increasingly annoyed with Ripley when she leaves the infirmary and takes out his frustration on Clemens , who he distrusts .