Patrick Blake Leeper's Paralympic story in pictures

Updated 0929 GMT (1729 HKT) September 13, 2016
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Patrick Blake Leeper won 200m bronze at the Paralympics in London four years ago in the T43 category. Jason Merritt/Getty Images North America/Getty Images
He finished behind Brazilian Alan Oliviera and South African Oscar Pistorius. Helene Wiesenhaan/Getty Images Europe/Getty Images
In the 400m T43 category, Leeper went one better and claimed a silver medal behind Pistorius in 2012. GLYN KIRK/AFP/AFP/Getty Images
He beat compatriot David Prince (right) to the silver medal. Bryn Lennon/Getty Images Europe/Getty Images
On the eve of the Rio Paralympics, Leeper found out that the IPC had dashed his hopes of competing in the Games after he tested positive for a banned substance in 2015. Bryn Lennon/Getty Images Europe/Getty Images
Leeper carries the Oakland Raiders flag in a break in play against the Denver Broncos in November 2014. Thearon W. Henderson/Getty Images North America/Getty Images