Because the prospect of losing their job (due to lack of convictions) would likely predujice them in favor of the state.
...and you, Alan Chapman, could...
I would convict if the initiation of force or fraud took place and could be proven beyond a reasonable doubt. However, I do not consider crimes against the state to be crimes. Crimes against the state are the recourse of the weak and envious for that which they cannot attain without resorting to violence.
Justice is served when a damaged party is compensated for their loss. Justice is not served when somebody is thrown in prison to please self-righteous do-gooders.
Source:
Office of the Revisor of the Statutes, Colorado State Legislature
(e)Challenges for Cause.
Challenges for cause may be taken on one or more of the following grounds:
(1)A want of any of the qualifications prescribed by the statute to render a person competent as a juror;
(2)Consanguinity or affinity within the third degree to any party;
(3)Standing in the relation of guardian and ward, master and servant, employer and clerk, or principal and agent to either party, or being a member of the family of any party; or a partner in business with any party or being security on any bond or obligation for any party;
(4)Having served as a juror or been a witness on a previous trial between the same parties for the same cause of action;
(5)Interest on the part of the juror in the event of the action, or in the main question involved in the action, except the interest of the juror as a member, or citizen of a municipal corporation;
(6)Having formed or expressed an unqualified opinion or belief as to the merits of the action;
(7)The existence of a state of mind in the juror evincing enmity against or bias to either party.