@diebesbeute @seananmcguire On 9/11 I was at a conflict resolution seminar. It got postponed because our building evacuated. (Not in NYC, just a federal building.) When the seminar resumed several weeks later (person giving the seminar couldn't get a flight), I got in early and chatted with her. She's unpacking her teaching materials as we chat. With her hands in her bag she freezes, goes pale. "OMG, I use these for crafting, I forgot they were in there." Pulls out a package of six boxcutters.