The NY Post has this:
Postmen are too scared to deliver letters and packages to one of Brooklyn’s most crime-ravaged neighborhoods, a US Postal Service worker told The Post yesterday.
“The neighborhood is bad,” the worker said outside the Brownsville Station Post Office on Bristol Street. “I wouldn’t want to go into those buildings.”
Based on the names in the story, I’m guessing it’s a neighborhood of Swedish immigrants:
“The postal workers have a right to fear for their life,” said Quantanya White, 38, a home health-care worker. “It doesn’t give them the right not to deliver the mail. Just because this place is bad, you’re not going to deliver the mail?…
Other couriers just can’t hack it.
“Our carrier had a heart attack, so she can’t walk upstairs,” said Yolanda Matthews, 58.