“West Bank” was a Soviet-jihadist construct. there is only Judea and Samaria..
The first hint I saw of his Arab connection was an article Tuesday where they mentioned his boss - "Kingwater Party Store Manager Abdulla Farah".
The narrative of a white guy working in a 70% black town, killing blacks only in 60-70% black areas didn't ring quite true. I guess that's why they never caught the white guy.