Although police initially regarded the shootings as a murder/suicide, evidence began to mount against David Bain.

His fingerprints were on the rifle, he had blood on his T-shirt, a lens from glasses in his bedroom were found in his dead brother's room and he had injuries that were consistent with a fight.

Podcasts like this one take a lot of time and resources to create. To help cover some of that cost, you will hear some ads during this episode. For an ad-free experience subscribe to Stuff Extra on Apple Podcasts or at listen.stuff.co.nz/truecrime to get access to this and other Stuff True Crime podcasts ad-free, for about the price of a cup of coffee each month… and you’ll be helping us make more great podcasts, like this one.

Learn more about your ad choices. Visit megaphone.fm/adchoices