Deeper Dive: Cal OES, contractor failed to thoroughly test Next Gen 911 network, sources say

Two high-level project insiders have come forward with allegations that a company and the California Office of Emergency Services failed to thoroughly test the state’s new digital 911 network before deploying it to handle real 911 calls. The company denies the claims. NBC Bay Area’s Raj Mathai spoke with Investigative Reporter Candice Nguyen to understand the details.