By the time the clock strikes midnight on a single Tuesday, Chicago’s 911 dispatchers will have fielded nearly 10,000 calls for police, fire and ambulance services. Of those, some of them are ...

Chicago's new $75 million emergency dispatch system has yet to send out a single police, fire or EMS unit in a real emergency ...

Chicago will begin a phased rollout of a new system for the city's 911 center on Tuesday, marking the start of a transition away from technology that has been used for the past 30 years.

Chicago dispatchers say the new 911 system froze, dropped calls, and even shut down mid-emergency during testing.

As NBC Chicago’s investigative team first reported on Tuesday, current and former emergency center operators are worried that ...