 Initial suspicions were directed at the manufacturers of the Excedrin capsules . Both Paul Webking and Stella Nickell filed wrongful death lawsuits against Bristol @-@ Myers , and the FDA inspected the Morrisville , North Carolina plant where Extra @-@ Strength Excedrin lot <unk> had been packaged , but found no traces of cyanide to explain its presence in the Washington bottles . On June 18 , Bristol @-@ Myers recalled all Excedrin capsules in the United States , pulling them from store shelves and warning consumers to not use any they may already have bought ; two days later the company announced a recall of all of their non @-@ prescription capsule products . On June 24 , a cyanide @-@ contaminated bottle of Extra @-@ Strength <unk> @-@ 3 was found at the same store where Susan Snow had bought her contaminated Excedrin . On June 27 , Washington State put into an effect a 90 @-@ day ban on the sale of non @-@ prescription medication in capsules . 
