Apparently Jon has been arrested for a burglary he committed a month ago:
https://www.11alive.com/mobile/article/news/crime/burglary-suspect-arrested-near-georgia-tech-following-large-swat-presence/85-37688556-0c3b-442c-8c70-5d4242b723b0

Proof that this is actually him:
https://mobile.twitter.com/cbs46/status/1086071418301820928

This would explain is disappearance. Let's hope that Jon's time in prison will be as pleasant as possible. (Don't drop the soap Jon!)