attack had nothing to do with it...fortunately, the vast majority of rational Americans aren't so crass...
As for those who committed suicide after the attack, you might call it a coincidence, but again, all those rational Americans can connect the dots...they'd still be alive were it not for the attack...we just don't know why it affected them in such a way...
Link: https://www.nbcnews.com/politics/congress/capitol-police-chief-tears-tucker-carlson-claims-officer-brian-sicknic-rcna73813