FOP = Fraternal Order of Police. They have a center there on the east side of Broad, on SprinGarden, where they hold events, drink, etc.

I live two blocks from where you are moving. It's safe. Living near the subway is great. And it's only a 6/7 block walk to center city or the shops on Fairmount avenue.

Just use your normal city-living street smarts. Also, I wouldn't take the BSL past 9PM but I may be over cautious.