John Simmons had successfully delivered his message using Aristotle's Theory of rhetoric, ethos, pathos and logos in his letter. John Simmons started out with ethos. There was a quote in the letter that said: I have been so impressed with your past voting record, and I am hoping that you will continue to make excellent decisions on behalf of your state. This would make the Congressman be pleased and persuaded him to read on. He also makes it clear from the beginning that his son was killed in an accident, making him a victim.
He uses logos when he starts talking about the statistics of murder by using guns. He shows statistics that are facts which proves his point in all this. "However research has shown that a gun kept in the home is 43 times more likely to kill a member of the household, or friend, than an intruder." He has many other facts to prove his point.
For pathos, the passage had a quote which held emotions which can be provoked into the reader such as "The reason that I have such an intense interest in this topic is that my son was killed by a gun (not my own) that belonged to a person who only wanted to protect his household, but it fell into the hands of a child by mistake. Do you want to be responsible for supporting legislation that would make more such incidents occur?" Thus he is able to convince the congressman to ban the use of guns.