Lots and LOTS of guns! Over 100 murders every single year which is more than NYC, Chicago, Miami, and some years, even more than detroit!
But, that's only if you live in the bad areas. There are some nice areas, where lots of crime doesn't go on. Newark is a fun city, lots of things to do and lots of nightlife.
Although if you end up in East Newark at night, lock your doors and roll up your windows, oh, and bring a gun.
Person 1: I'm from Newark
Person 2: HOLY SHIT! How many times have you been shot??
Person 1: None, I live in evergrove street south Newark.
person 2: I see...