 Jordana Miller, ABC News, Jerusalem. It is believed to be a first-of-its-kind lawsuit about forever chemicals. Here's CBS's Jim Grisula. DuPont, Honeywell, 3M, and 16 others have been sued by a group of Connecticut firefighters who claim their protective gear was contaminated by toxic so-called forever chemicals that have been linked to cancer. The legal action alleges the firefighters' jackets, pants, and other so-called turnout gear.