This is some fucked up shit right here. I suspect the people involved are actually violating the law but the warrant-less trespass and surveillance are bullshit.

https://www.agweb.com/article/government-cameras-hidden-private-property-welcome-open-fields?fbclid=IwAR2sBp1iw-wFt1popZ58ESHYhHTHpV94mHmHmwlZX_78B-PfRF264aqQC0U