The article states the stabbing occurred in front of a Cambodian restaurant which has a good reputation and happens to stay open late, so your suspicions are 'more than likely' unfounded.
Really? A Cambodian restaurant with a good rep at 3 am ? Get real
I had many friends in this neighborhood back in the day when it was home to many hard working steelworker folks of East European descent.
It has been transformed into Yuppie Central where young professional cretins will pay three times the going rate for those same row houses the millworkers busted arse to try and get out of. The business district has turned over to just about all bars and nightclubs, which draws the usual naer-do-wells from beyond the neighborhood.
#1 problem is public urination with drunks stopping to take a p*ss on the stoop of your $200K townhome.