You asked for it – to say a huge final THANK YOU to all of you who brought us Gold in the Listeners' Choice category in this year’s BPAs, we promised you a bonus episode of your choice. And you voted in your thousands, for an episode on horrifying serial-killer scumbag, Israel Keyes.

Keyes didn’t earn his place among America’s most terrifying serial killers only for his brutality, or coldness. The most horrifying thing about his tale is how comprehensively he got away with it.

Travelling thousands of miles across the US, sometimes spending years researching a single kill, and with no discernible victim profile – Keyes operated completely under the radar for decades. He considered himself a master of the serial-killing craft. And in the end, even his downfall all seemed part of the plan…