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Police & Fire

18-Year-Old Being Held Without Bail In Fatal Oceanside Strip-Mall Stabbing

Tyler Flach Photo Credit: Nassau County Police
Khaseen Morris, the victim of the fatal stabbing. Photo Credit: Facebook
The strip mall where the stabbing occurred. Photo Credit: Google Maps street view

The 18-year-old charged in connection with the fatal stabbing during an after-school brawl at a strip mall on Long Island is being held without bail.

Tyler Flach, of Lido Beach, entered a not guilty plea at his arraignment on Thursday, Sept. 19 at First District Court in Hempstead.

The stabbing happened at around 3:45 p.m. on Monday, Sept. 16 in Oceanside.

Nassau County Police announced early Wednesday evening, Sept. 18 that Flach had been arrested and charged with second-degree murder.

The victim, identified as Khaseen Morris, was stabbed in the chest area. A second victim, a 17-year-old boy, suffered a broken arm and swelling to his head. 

More than 50 teens were at the strip mall at the time of the brawl, but instead of helping, many videotaped the incident with their cell phones.

The fight appears to have started over a girl, police said. Flach is a friend of the girl's former boyfriend. and Morris was a friend of the girl, though not her boyfriend, investigators said.

Morris was hospitalized in critical condition and died from the injuries overnight.

A second-degree murder conviction brings with it 25 years to life in prison.

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