positive protect marijuana patients like joseph he says medical marijuana pain relief no longer could. it wraps his head and neck in a blanket of pain. >> it means everything to me. it means more than everything to me. more than anything anybody could realize. it is such a relief from agonizing all the time and trying to deal with it and go on with your life. >> reporter: now joseph is having to go on without a job. he is seeking back pay, compensation, and damages. walmart hasn't filed a response to the suit yet but we did get a comment from the retail giant. a spokesman for the company says that the firing of joseph wasn't because of what his doctor prescribed. it was about joseph's ability to do his job safely. the statement goes on to say