People that have an agenda driven by a disorder are at best a pita and at worst dangerous.

In fact, HUD says that a breed thought to be dangerous, such as pit bulls, must be allowed unless there is knowledge that the particular animal is a danger to other people.

they say you should never have given me permission to go on that dangerous land...

She's told you it could be dangerous!!!

Don't rent to criminals or those unwilling to pay their bills (shows up on credit and eviction records).b) It's 2016, collecting rent in person is not only impractical, but dangerous (case in point).  

This could be dangerous at times so be careful.

The easy answer to this question is don't provide inherently dangerous items to your tenant that may or may not be outside the ability of a reasonable person to operate.

Or is this dangerous territory in terms of legalities?

And as Marcia said, it's probably not dangerous mold anyway.What I'd do, is agree with them that the unit is not habitable, and therefore, the contract is not valid and so you must break the lease and give them all of their money back.I would not pay for their hotel.  

Whenever we are involved in an eviction, emotions run high and it’s a very sad and dangerous time.When we are new in this business we have a tendency to make a lot of mistakes and that’s only natural.