"World News Tonight With David Muir" Podcast - September 23rd, 2014

Urgent New Terror Alert: Top US officials warning that plots against America by Terror groups could accelerate. Meanwhile, air strikes in Syria are underway.

Nationwide Manhunt: For the first time we're hearing the voice of the man accused of ambushing state troopers in Northeast Pennsylvania.

Frightening Kidnapping: Police say two girls were snatched from the street at knife point in Utah. New 911 calls take us inside the moment of crisis.

Massive Heist:  Authorities are looking for the thieves behind a heist in San Francisco. Twenty-two cars were stolen in a span of 48 hours.