What the company did was in extremely poor taste, so much so, that I wonder if there might be something more happening, especially since you said you bombed the interview, both technically and personally.

In your job application, were you truthful and honest?<br>
Did you lie or seriously exaggerate about your skills, experience or history?<br>
Was there a phone screen before the interview trip? Why did the phone screen go well enough to merit an interview then the interview went so poorly?<br>

Basically, if you were not the job applicant you said you are: If you lied on your resume, or had someone coach you through a phone screen, and then were discovered in the interview, I think the company would have a real right to be extremely pissed off, and possible a legal right due to fraud to claw back some of their expenditures.

If you are confident everything on your end was honest and level, and you just had a really bad interview for a job that was a poor fit, then you probably have a strong legal case and the ability to create a PR and Recruiting Nightmare for the company.

**PS**<br>If you do decide to make it a Public Relations / Recruiting Situation, you might consider making it about the individuals involved as well as the Company.   Companies can be faceless, nameless, bureaucratic beasts, but if you name the HR-recruiter and Hiring Manager involved, and make them responsible for their own decisions, it might be more effective.   Check with a lawyer and be careful to avoid unjust defamation.