After initial pm he sent, nothing has been heard. I guess something is wrong but he made some mistakes by not updating his employees at the time he was still active few days ago, at least from 25th - 28th , he was still active with xaxistech account.
That's not a professional manner, if there is something wrong with the payment he should inform those participants that are hoping to get paid.
You can even file a scam accusation to that guy and see for him to explain since he's not giving any word to you. This will affect his campaign managing career if he wants to pursue though.
He was tagged by hilarousandco but with different reason.
He also changed his email.