Polly Baca, Michael Baca and Robert Nemanich objected to the requirement that they vote for Democrat Hillary Clinton, who won the state's popular vote in 2016.
Denver Auditor Tim O'Brien recommended this step back in January 2016 as a way to better measure and guard against racial profiling.
Colorado's nine electors voted in the governor’s office of the state capitol at noon today.
"If you take an oath of office and then immediately violate it, that should have consequences," said Colorado Secretary of State Wayne Williams.
Two so-called "Hamilton electors" think a state law that binds them to the winner of Colorado's popular vote is unconstitutional.
Denver officials are drafting Initiative 300 rules now that would allow people to smoke marijuana in businesses throughout the city.
Facing likely defeat, Amendment T backers say they’ll return in 2018 with a clear message and a lot more money
Coloradans have opted to keep slavery in our constitution by 17,000 votes.
It's unclear how Denver officials and marijuana advocates will implement Initiative 300 allowing marijuana use in businesses.