BOULDER, Colo. (AP) – State Treasurer Walker Stapleton and businessman Greg Lopez are advancing to the Republican gubernatorial primary.

Attorney General Cynthia Coffman is not, getting just 5 percent of delegate votes at the GOP state assembly in Boulder on Saturday.

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Colorado Attorney General Cynthia Coffman spoke about the marijuana industry on CNN Sunday morning. (credit: CNN)

Stapleton won 44 percent of the vote and Lopez 33 percent.

CBS4’s Investigator Brian Maass interviews State Treasurer Walker Stapleton (credit: CBS)

Candidates needed at least 30 percent — or successful petitions — to make the June 26 primary.

It was a stunning defeat for Coffman, who decided to try to qualify at the assembly rather than petition her way onto the primary ballot.

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Greg Lopez (credit: CBS)

Coffman drew boos earlier Saturday when she criticized the party for allowing Stapleton to compete at the assembly.

Greg Lopez (credit: CBS)

Stapleton did so after abandoning his petition on Tuesday, citing fraud concerns.

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