Comey's last minute October surprise email (again) nonsense.
Russia hacking and influencing the elections.
Even if you lend credence to the above, the people who supported Trump or not turned out in large numbers to vote against the Establishment. The millennials and minorities may not have been enthused or Trump would have made inroads in those demographics, in spite of more stop and frisk and police shootings and deportations, wall, etc.
If she loses the electoral votes, did the 3rd and 4th party candidates do her in? - she will win the majority of votes nationwide once California is counted.