RSMo § 115.637. Class four election offenses. — The following offenses, and any others specifically so described by law, shall be class four election offenses and are deemed misdemeanors not connected with the exercise of the right of suffrage. Conviction for any of these offenses shall be punished by imprisonment of not more than one year or by a fine of not more than two thousand five hundred dollars or by both such imprisonment and fine:
[….]
(19) Stealing or willfully defacing, mutilating, or destroying any campaign yard sign on private property, except that this subdivision shall not be construed to interfere with the right of any private property owner to take any action with regard to campaign yard signs on the owner’s property and this subdivision shall not be construed to interfere with the right of any candidate, or the candidate’s designee, to remove the candidate’s campaign yard sign from the owner’s private property after the election day.

In west central Missouri:

“…Conviction for any of these offenses shall be punished by imprisonment of not more than one year or by a fine of not more than two thousand five hundred dollars or by both such imprisonment and fine…”

There’s a trail camera.