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Cops arrest suspect in subway killing of 18-year-old

man arrested in subway killing
Cops have arrested and charged a Brooklyn resident in the killing of an 18-year-old aboard a subway train.
Photo by Lloyd Mitchell

A man has been arrested and charged in the killing of an 18-year-old aboard a subway train last week.

Mark Smith, a 25-year-old East Flatbush resident, is being charged with manslaughter, assault, and two counts of criminal possession of a weapon, according to the NYPD. Smith allegedly stabbed and killed Isaiah Collazo, a Staten Island resident, during a dispute onboard a D train at the Atlantic Avenue-Barclays Center station on April 6. 

“I am innocent until proven guilty, I was defending myself,” Smith said as he was loaded into the back of a police car after his arrest on April 12. 

subway killing suspect arrested
Mark Smith, 25 is charged with murder in the stabbing death of Isaiah Collazo aboard a D train at the 4th Avenue and Pacific Street stop on April, 6. Photo by Lloyd Mitchell

Cops said Smith and Collazo, who did not know each other, got into a physical fight onboard the train late that night. At about 11:30pm, as the train approached the Atlantic Avenue station, Smith allegedly stabbed the teen in the stomach and fled the scene with his friends — leaving him bleeding in the train. 

Emergency responders brought Collazo to NewYork-Presbyterian Brooklyn Methodist Hospital, where he later died of his injures. His father, Carlos, told the New York Daily News his son was a quiet, “good-hearted kid” who loved animals and video games. A funeral service is planned for Wednesday, April 12. 

subway killing suspect
Smith is being charged with manslaughter, assault, and criminal possession of a weapon. Photo by Lloyd Mitchell

Elected officials and law enforcement leaders have flouted the success of a crackdown in transit crime, which has included flooding subway stations with police officers. Citywide, transit crime and murder are both down compared to this time last year, according to NYPD data — but they’re up in the 84th Precinct, where the stabbing took place. As of April 9, there had been 14 transit crimes and two murders in the precinct — and assaults have also increased since last year.

Additional reporting by Lloyd Mitchell.