In one clip from a secret audio recording obtained by Channel 4 News, Rupert Murdoch is heard branding police "totally incompetent" and damning the Scotland Yard inquiry into corrupt payments to public officials.
"It's the biggest inquiry ever, over next to nothing," he says.
Hear more of the recordings at Channel 4 News.
A News Corp statement said Mr Murdoch was showing "understandable empathy" to his staff.
More top news
"I definitely get less money than a male in my situation would," she said. "Definitely."
Muscular Dystrophy UK said the lack of an option to label abusive tweets based on disability was preventing more reporting.
The Labour leader will say Britain's "distorted" economy cannot be rebalanced without taking on the power of the financial sector.