Malcolm Nance, retired U.S. Navy Senior Chief Petty Officer in Naval Cryptology, discusses the unpredictability of an ISIS-enabled attack.
Former TSA Administrator Chad Wolf discusses “behavioral detection” at airport security, and preventing another terrorist attack.
CNBC's Eamon Javers reports from Silver Spring, Maryland, on protecting public citizens and keeping secure rail and transit systems.
Andrew Lobbenberg, head of the European transport team at HSBC Global Research, explains why terror attacks in Western Europe have a relatively short-lived impact on tourism and travel.
CNBC's Michelle Caruso-Cabrera reports from Brusels on key developments overnight.
A manhunt is taking place in Brussels right now to find the suspect involved in Tuesday's explosions. CNBC’s Hadley Gamble reports.
CNBC's Hadley Gamble reports the latest news from Brussels about the men behind the bombings.
John Strickland, director of JLS Consulting, discusses the impact of the Brussels terror attacks on airlines and travel.
CNBC's Hadley Gamble reports from Brussels on the latest news about the terror attacks.
The standard of evidence that could lead to a terrorism prosecution varies across Europe, explains David Lea from Control Risks.
NYU School of Law's Tom Gerety says the Brussels attack will impact Europe's border policies and how the EU cooperates on intelligence, military and police work.
Michael Tabman from Spirit Asset Protection says intelligence units often have an overload of information and lack manpower to keep suspects under 24/7 surveillance.
Two brothers have been identified as suicide bombers in the Brussels attacks, and authorities are hunting down at least one suspect.
CNBC's Sue Herera reports the latest developments from the aftermath of Brussels terror attack.
Michael Scheuer, former head of the CIA's Bin Laden unit, discusses what steps officials on the ground should be taking as the manhunt continues following the Brussels terror attack.
CNBC's Michelle Caruso-Cabrera reports on the daily living occurring in Brussels after the terror attacks.
Interpol has released the photo of Khalid El Bakraoui, a suicide bomber involved in the Brussels attack.
A study shows that travelers return to terror-stricken countries far more quickly than places hit by disease, natural disasters and political unrest.
CNBC's Sue Herera reports the latest news out of Brussels including an American couple missing in Brussels.
Insight as to why Europe has become a key target for terror attacks with Johnnie Moore, "Defying ISIS" Author; and John Browne, Euro Pacific Capital & former member of parliament in Great Britain.