It was kind of hard finding information on this case as everyone wants to talk about the little boy that died. I didnt do a lot of digging but here is some info I could find..

Shaheen told investigators that when first confronted by Czuba over the violence in the Holy Land, she told him, “Let’s pray for peace.”

I dont understand how someone could say ‘lets pray for peace’ that would lead a guy into a murderous rampage. I would say my bullshit detector is going off and she probably insinuated that this guy is a murdererous jew for his name and time in the military/his involvement and it set him off. I am also reading some other stuff trying to debunk him being jewish but i dont know what the altercation was about. I understand its a shitty thing to think but I can see how it might be antisemitism but it might just be good old fashioned Islamophobia. I dont want to judge but he looks like a regular crazy white guy.