Charges added against man accused of trying to buy deadly chemical
JEFFERSON CITY - A federal grand jury added charges in the case against a Columbia man accused of trying to buy deadly poison over the internet.
Prosecutors charged Jason Siesser, 43, in late August with one count of attempting to possess a chemical weapon. On September 19, the grand jury added two counts of aggravated identity theft and one count of using a false name or address.
According to the updated indictment, Siesser used the middle and last name of a juvenile when he tried to get the dangerous substance. Officials said the substance, which they did not identify, can be deadly with a single drop, and that Siesser bought enough to kill upwards of 300 people.
At the time the initial indictment was announced, federal authorities said there was no threat to the community, and no evidence Siesser planned any kind of public attack.