Having served in Afghanistan, Chris Roybal had some idea of what it is like being shot at.

Yet all his experience as a Navy veteran was not enough to save his life in Las Vegas on Sunday night when Stephen Paddock sprayed a crowd of concertgoers with bullets from the 32nd-floor of the Mandalay Bay hotel.

The 28-year-old was among at least 59 victims who died in the worst shooting in modern US history.

In his last public post on Facebook, shared three months ago, Mr Roybal wrote about what it was like to be constantly asked: “What’s it like to be shot at?”.