The network was uncovered as part of a broader Secret Service investigation into telecommunications threats targeting senior government officials, according to investigators. “It can’t be understated what this system is capable of doing,” said Matt McCool, the special agent in charge of the Secret Service’s New York field office. View image in fullscreen Matt McCool, US Secret Service special agent in charge (center), looks at live video surveillance feeds in Brooklyn, New York, on Monday. Authorities have not disclosed details on the specific government or criminal groups tied to the network at this point. The operation had the capability of sending up to 30m text messages a minute, McCool said.