The image above shows the subpoenas filed in Denver County Court
"This is the only way that we can get Cory Gardner to talk to his constituents, someone has to take responsibility for these arrests," said Alan Kennedy-Shaffer, an attorney representing five protesters.
The subpoena filed in Denver County Court lists an August 8 court date. Kennedy-Shaffer believes the U.S. senator could be held in contempt of court if he fails to appear.
Denver7 has reached out to a spokesperson for Sen. Gardner. He is set to address the Western Conservative Summit on Friday evening.