Due to prolific drug activity at his rentals, the authorities threaten to seize his property if he doesn't take action to stop it.

They deemed it a life threatening situation. 

Threaten to take any action in (a) - (d)This prohibition is pretty self-explanatory.

Hello,This is my first time posting. I recently purchased my first four unit building in Hermosa Beach.Due to the rain back in January, we had a massive leak. I’ve dealt with water issues before including using water ...

If she threatened to give a bad review unless you refunded her, then you should report that to the platform, they take extortion seriously.  

You do this by creating legal separation from you and your assets with a domestic (Asset Management Limited Partnership, or Series LLC, or Traditional LLC) and then ‘internationalizing’ those assets into a “Bridge Trust” where if you are threatened by an unanticipated lawsuit or legal action, those assets cross the Bridge to the protection of the Cook islands.

They don't provide tax documents on time, which cause significant headaches. they don't provide proof of cost mitigation studies unless you threaten to sue.I am a seasoned investor and I got duped in their flowery talk.

Now the tenant is claiming that since they did not receive the deposit/itemized deduction statement/ receipt within the 21 days, she is entitled to the full refund and threatening small claims court.

They are threatening legal action in other issues because they feel they are treated unfairly which isn't true at all. 

Banks by and large do not keep anything but portfolio loans and they will call those if they feel threatened.