Courtesy of NBC
The survey also shows evidence of the pervasive power of digital
The analysis found that 63% of Americans were following the story "very closely," making it the fifth-most closely followed story since 2001.
This puts the Boston Bombing story behind only the 9/11 attacks (78%), Hurricane Katrina (73%), the U.S. economic crash in September 2001 (70%) and the D.C. sniper (65%).
The coverage of the bombing of the Boston Marathon was watched as closely as the coverage of the invasion of Iraq in March 2003.
Here's the breakdown of the most closely-followed stories since 2001: