Aaron Burr was vice president of the United States. His term came to an end in eighteen hundred and five.He was heavily in debt and his political future did not look promising.Burr was not without plans, however. For some time, he had been considering an idea.He wanted to seize Mexico from Spain. Burr made secret deals with a number of people.He told them different things to get their help or their money for his plan.What was Aaron Burr's real goal? Was it to seize Mexico?Or was it to create a country of his own out of some of America's western lands? The facts are not clear.This week in our series, Shirley Griffith and Steve Ember tell about Burr's secret activities, and the trial that ended them.Burr traveled west in the spring of eighteen-oh-five.His trip would take him down the Ohio and Mississippi rivers to the port city of New Orleans.