Can I sue for more than what I'm owed on my paycheck?

I recently got fired from an Internet cafe for forgetting to turn on the alarm. It was an honest mistake. They only have 3 employees including the manager and the café was open seven days a week. I've done a lot for them. I am an honest person and they told me that I was to not come onto the property again and that they would mail me my check. They said they were going to have to change the locks since I had keys. Well 5 days later, I'm waiting for my check and it hasn't come yet so I called. The owners were not there. I spoke with the manager and she knows nothing. I got no call back the next day. The same thing happened the day after. I called back on the third day and the owner’s wife answered and said that her husband needs to talk to me. He said her husband would call me back but he didn’t. When I finally got him on the phone, I told him I need my check. He answered that he believes I and a girl named mckayla were staging a robbery and people were asking questions. And they need new locks, because they dont know if they can believe me! I dont even know a mckayla. I've never known a mckayla and i told him that and he said i dont have the last name here in front of me I have it on paper somewhere but u two are good friends. that is a plain lie they came up with. i am so upset that they would do such things and make up lies and make me out to be some criminal to not have to pay me. I don't smoke, drink, or do drugs and have never been into trouble. for such criminal accusations I am appalled. He said they're using my paycheck to pay for their new locks for the entire place. I worked hard for that money and did nothing wrong there and that was my rent for the month so now I have to worry about my bills. Defamation of character. False criminal accusations.