David and Catherine Birnie

David Birnie's beginnings were so disturbing, it shouldn't come as a surprise that he went on to be a killer. But with Catherine, the line isn't so defined.  

**Want to Support?** 

Patreon: https://www.patreon.com/serial_killing 

Anchor: https://anchor.fm/serial-killing  

Website: https://serialkilling.squarespace.com/ 

Instagram: https://instagram.com/serial_killing/ 

Merch: https://teespring.com/stores/serial-killing  

Moorland by Kevin MacLeod Link: https://incompetech.filmmusic.io/song/3928-moorland License: http://creativecommons.org/licenses/by/4.0/