A dramatic spike in fatal terrorist attacks by radical Islamists is likely to grow worse, and spread to more parts of the globe, during the next two years. Those are among the Investigative Project on Terrorism's conclusions after a detailed examination of trends in global terrorism.

IPT Senior Shillman Fellow and former U.S. House Intelligence Committee Chairman Pete Hoekstra breaks down the findings in a 3 part video series below.

Part 1

Part 2

Part 3

Read the full analysis here.