The US Department of Justice sued a seller of bullet-proof vests, and several of manufacturers of component parts of the vests under the False Claims Act claiming that the vests were defective. The DOJ sued Lincoln Fabrics, Ltd. of Canada and its American subsidiary, Toyobo Co., Honeywell International, Inc. and others, The DOJ claimed that not only did the woven fabric, known as Zylon, degrade quickly over time, and particularly in hot and humid weather, but that the manufacturers were aware of the defect.
More information about the lawsuit can be found here: http://www.upi.com/Busines_News/2009/10/31/Us-sues-Canadian-firm-over-bullet-vests/UPI-12481257016735/
