continues, this story here. britain's prime minister will feel the heat as he answers questions from parliament about the phone-hacking scandal. that's after media mogul rupert murdoch and his son testified yesterday. the bbc's nick robinson reports from london. >> reporter: the policemen, in case you wondered, are there to protect rupert and james murdoch, not take them in for questioning. the 80-year-old tycoon's wife wendi was behind him, offering physical and emotional support. his son and once heir apparent sat anxiously and protectively at his side throughout. >> i would like to say as well just how sorry i am and how sorry we are. >> reporter: they were sorry. they were humble. but whose fault was the criminality in their company? >> mr. murdoch, do you accept ultimately you are responsible for this whole fiasco? >> no. >> you are not responsible? who is responsible? >> the people that i trusted to run it and then maybe the people they trusted.