Boston Tablet Special A Brief History of Manhunts TIME takes a look back at how manhunts have unfolded over the past 35 years. Share Read Later prev11 of 11nextView AllMore Lists Full List Hunts TimelineTragedy in BostonThe Unabomber: 17 YearsPan Am Flight 103: 11 YearsA Bomb at the World Trade Center: 20 YearsThe Oklahoma City Bombing: Two DaysTerror at the Olympics in Atlanta: Seven YearsThe U.S.S. Cole: 13 Years9/11: Nine YearsAnthrax: Eight YearsD.C. Sniper: Three Weeks