There's no greater sign of a toxic workplace than having a coworker looking over your shoulder at all times, waiting to see you mess up. Oftentimes, these are the folks who are threatened by someone else's presence, especially someone they think is the competition. However, just as it was in this situation, the employee did virtually nothing wrong and the coworker was just seeing what they wanted to see. To me, this phenomenon feels reminiscent of high school behavior. I remember when a classma…