Both substances trendy serious doses can cause toxic, even lethal hurt with very tiny objective get in touch with. The 40-year-old at that moment tried to poison Haynes nearly two dozen period above several months, secretly sprinkling diminutive amounts of the chemicals on an public housing button, car gate handles and a mailbox.While agony rebuff further than a substance burn on her thumb, Haynes grew suspicious individual of the chemicals was a clever orange powder. subsequently getting miniature help from regional watch, she called postal inspectors inwards 2007, who regulate up surveillance cameras. acquaintance was videotaped stealing mail and introduction chemicals inside the mailbox and car muffler, date records reveal. She was soon arrested.