johnny c. taylor says there were already some alarming trends before the latest incident. >> we've seen anuptick in workplace violence generally, and that's people fighting. that's people pstabbing, peole throwing things at each other. i actually was alarmed about a recent incident where someone was poisoned. >> reporter: taylor says this industry and sector has changed. shat's because we've moved from postal tings to the more common incidents of workplace violence. e said that's part of a broader societal shift aell. >> in our broader culture, people disagree and realize people now don't think they can disagree without being disagreeable. >> reporter: but he says teis l incident in virginia beach just confounds all of the current knowledge and guidance on what to look fowa >> he not being terminated, there was no disciplinary action. he actually resigned earlier that day. and so, you know, it came out of apparently nowhere. >> reporter: and as the vestigation continues a more is revealed, it may mean

the c, johnny c. taylor, says there were alread alarming trends before the latest incident. >> we've seen an uptick in workplace violence generally. that's people fighting, histabbing, throwing tngs at one another. was alarmed about a recent incident where someone was poisoned. >> reporter: taylor says the sector has changed, and that's as we've moved from postal shootings to the more common incidentsf workplace violence. he says it's part of a broader societal shift. >> in our broader culture, people disagree and realized sort of people no don't thi they can disagree without being disagreeable. e reporter: he says thlatest incident at virginia beach, that just confounds the current knowledge and guidance on what to look for. >> he was not being terminated. there was no disciplinary action. he actually resigned earlier that day. so you know, it came out of apparently nowhere. >> reporter: as the invesregation continues and mo is revealed, it may mean rethinking the indicators, the re flags. taylor also says

ceo johnny c. taylorays there were already alarming trends before the latest incident. >> we've seen an uptick in workplace violence generally. that's people fighting. that's people stabbing, people throwing things onch other, or actuallyrm was ala about a poisoning. >> reporter: the sector has changed as we've moved from postal shootings to the more mmon incidents of workplace violence. he says that that's part of a broader societal shift, as well. >> in our broader culture, people disagree and realize sort of people now don't think they can disagree without being disagreeable. >> reporter: he also says the latest incident at virginia beach, well, that just confounds allof the current knowledge and guidance on what to look for. >> he was not being terminated. there was no disciplinary action. he resigned earlier that day. and so you know, it came out of apparently nowhere. >> reporter: and ashe investigation continues and more is revealed it may mean rethinking the indicators, the red flags. but taylor a