First and foremost, you should be contacting both the police and animal control. There is nothing in your report which says you did either. Do so...

Animals acquired on Craigslist are almost always problematic. They are either non-existent, diseased, or have other issues.

Enforceability depends upon how specific your contract is, and how well you can document it. You also don't state where the other party is....

This sounds more in family than landlord/tenant, as the mother is not a landlord - moving accordingly. Counseling would be a start, perhaps elder...

This is not a job fair. Send your entreaty to law schools and bar associations. They would provide an appropriate forum for your request.

Unless your piece of paper is title to the truck, how is it yours? If it is yours, how is it your girlfriend has it? Facts are missing.

At this point, it seems to have become a consumer protection issue. A call to your AG's consumer protection division might prove beneficial. You...

Ask the board of health if this is sufficient, and have it do a subsequent inspection after the "sanitation services" are performed.

On the facts given, you have no damages, thus, no case, and may even be in violation of the wiretap statute.

NO, absent reasonable suspicion - merely being a passenger in a car stopped for a moving violation is not "reasonable suspicion."