**WARNING - The content in this interview may be offensive to some people**

Peter Lalor is the author of Blood Stain, the true story of Katherine Knight, the motherand abattoir worker who became Australia's worst female killer.

In this chat, Peter explains the research he put in for writing the book, the shocking evidence he witnessed and what has stayed with him 15 years on...

**WARNING - The content in this interview may be offensive to some people** Peter Lalor is the author of Blood Stain, the true story of Katherine Knight, the motherand abattoir worker who became Australia's worst female killer.
In this chat, Peter explains the&nbsp;research he put in for writing the book, the shocking evidence he witnessed and&nbsp;what has stayed with him 15 years on...

Covering daily news, sport and general going’s on in Merrick’s inimitable way. It’s a great listen for the drive home, there's nothing like it anywhere else. Along the way Merrick is joined by journalists, experts, actors, musos and special guests.  Listen weekday afternoons from 4pm on Sydney's 104.9 Triple M, or catch up with the show here.

Advertisement