A team of investigators claim they've identified the man behind a number of humanity's greatest cold cases: the Zodiac Killer. 

<p>A team of investigators claim they've identified the man behind a number of humanity's greatest cold cases: the Zodiac Killer.&nbsp;</p>

Tune in to 4BC Afternoons, weekdays from 12pm-3pm.

<p>Tune in to 4BC Afternoons, weekdays from 12pm-3pm.</p>