If it was a roleblocker, I daresay they'd have come out and named the perp and gotten a doc on them. That hasn't happened yet, so I assume its a doc keeping quiet, and for good reason.
it seems like he was tipped off about the threat. Noticeably, there was another person backing him up, as he was worried about his livelihood too. hmmmm.......
No Lynch No-one seems to have offered up anything to go on, might as well take the extra night whilst we're all still alive.