A heart-pounding body-camera video captures moments after a firefighter is gunned down in a new episode of "20/20" airing on ...

The new episode will air at 9 p.m. ET on ABC. Those without cable can watch the show for free through FuboTV or DirecTV ...

20/20 is a current affairs television series made in New Zealand and hosted by Sonya Wilson. 20/20 was originally screened on TV3 between 1993 and 2003 but the format was picked up by TVNZ in 2005.