How do I know if I was wrongfully terminated?

Question Details: I am a bartender. On a Tuesday night I was closing the bar and the floor manager went behind the bar and put some alcohol into a glass. She then accused me of drinking that alcohol. I told her it was not mine. I worked the rest of my scheduled week without incident. The following Monday when I arrived for my regularly scheduled shift, I was summoned into the office and fired by the head manager based on the floor managers word. He said he had video but when I asked him about he didn't produce anything or say anything about what may or may not be on a video. I had an impeccable work record. I never missed work since my start date. I was never written up for anything. I have many on-line reviews showing my excellent service. I worked every holiday since my employment. I always covered shift when asked. My fellow employees loved me. I have never been convicted of a DUI or any other alcohol related incident. I was never given an employer handbook or policy and procedure. I don't believe I was compensated properly on my tips to make sure I was earning minimum wage. Their payroll and slip printouts don't show enough details. As I understand this company also has many lawsuits against them. I believe I was wrongfully terminated. Was I? Can I sue them? I am stressed and depressed and have had so much going with family illness - my mother with cancer, her brother with cancer, and my son's father having a heart attack. Losing my job this way I am unable to function. I need help! Is there a way to get free legal services? I am unemployed.

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