 Complete the following phrase:  In the 2012 Summer Paralympics in London, Siaffa became the first athlete to represent Liberia in the Paralympics. He also served as the flag bearer for his country in the parade of nations. Ultimately, on 4 September 2012, Siaffa ranked 7th in the mens 82.5 kg powerlifting event. There, he achieved his personal record, benching 419 lbs. In 2016, Siaffa wrote a letter to the International Paralympic Committee outlining his dissatisfaction with the Liberia National Paralympic Committee LNPC. The letter alleged that while he was willing to compete in the 