The spacing between lines -- the careful manual double spacing on the letters is also meaningful. Perhaps it means someone familiar with writing English in a copybook, one of those triple-lined copybooks of grammer school.
I think your analysis is very good.
And thank you for the kudos!
I'm certainly taking note of that now!
bvw, I was wondering if you knew anything about the Robert Wood Johnson University Hospital in Hamilton. amom says Dr. Parvaiz Malik, head of the Islamic Center in Franklin Park, has privileges there? (amom, I'm going to scroll back and read your posts!)
No doubt the hospital has labs on its premises, but I'm thinking that RWJ's Waksman Institute in Piscataway looks interesting as a possible anthrax production site -- this facility has the capacity to produce large quantities of microbial "products" for "applied microbiology" and research.
Here's a map of the Waksman Intitute/Robert Wood Johnson medical school site at Rutgers - the map is schematic, but you can see, Route 1 which connects Trenton/Hamilton, the Islamic Society, and the Rutgers campus runs nearby (and also the Philly-Trenton-Newark-NYC train corridor)...