I feel I should out a coworker that was arrested.
Why would you do that to your coworker?
I'm going to out this person because I hate her.
It is best to stay out of a coworker's business. Support the people you work with.
It's funny to me that she got arrested by the way. I think she should get convicted and then she will be fired.
I understand you don't like this person very much. But you shouldn't make this information you know public, this would be hurtful towards them and in the end will not help you out at all.