Las Vegas hosts final presidential debate of the 2016 election (37 images)

Republican presidential candidate Donald Trump and Democratic presidential candidate Hillary Clinton participate in the final presidential debate of the 2016 campaign at the University of Nevada, Las Vegas (UNLV), in Las Vegas, Nevada on October 1, 2016. Photo by Kevin Dietsch/UPI

Republican presidential candidate Donald Trump speaks during the debate with Democratic presidential candidate Hillary Clinton at the University of Nevada, Las Vegas (UNLV), in Las Vegas, Nevada on October 19, 2016. Moderator Chris Wallace is in foreground. his is the final debate before election day. Photo by Kevin Dietsch/UPI

Democratic presidential candidate Hillary Clinton answers moderator Chris Wallace during her debate with Republican presidential candidate Donald Trump at the University of Nevada, Las Vegas (UNLV), in Las Vegas, Nevada on October 19, 2016. This is the final debate before election day. Photo by Kevin Dietsch/UPI

Chairman of the Republican National Committee Reince Priebus (C) attends the debate between Republican presidential candidate Donald Trump and Democratic presidential candidate Hillary Clinton at the University of Nevada, Las Vegas (UNLV), in Las Vegas, Nevada on October 19, 2016. This is the final debate before election day. Photo by Kevin Dietsch/UPI