I was released from my job after I had submitted complaints of unsafe work area.

After I reported this I had 2 other employees fill complaints saying I had threatened violence against them. At the end of my work day I was asked to go to front office where I was questioned by head of security of the west coast. After being questioned for over a hour and a half he then asked me to make a write statement of all the situations that had happen. I asked if I could do them tomorrow and go home because it was after my 8 hours and I was very tired and fatigued from the work load I had considering they have me working outside on asphalt with very little cover. The head security told me that I can only fill out statements ri GB ht then. And I asked if I go home could it be held against me he said I could. So I stayed and after righting 2 of 3 statements on my third I in middle i took a brief moment to think of what had happen exactly. When in which i had my put my head on my fist. Like the thinking man and the district manager knocked on door looking through window on door saying what the f... barged in saying you sleep I told him no I was thinking. He said stop fill out the form and now you need to write another on why I was sleeping I told him I wasn't he said fill out the form so I did putting I wasn't sleep on form that night well into my 10 and half mark with out a break for over 3 and half hours, I was suspended without p for investigation for the threats on employees. After 10 Days off I call my manager and he said was released for sleep on job. Unemployment in state nevada found that I was at no fault of termination and awarded unemployment, for reason of other. Sense then I have been able to get another job because of a back injury I got while work for company continues to flare up. What's my legal standing here?