Police Still Looking for Killer’s Brother

Erick Grigoroff wanted for alleged assault

Erick Grigoroff

New York State Police investigators are attempting to locate Erick Grigoroff, 28, a Peekskill man they say should be considered “armed and dangerous.”

Grigoroff is the twin brother of Anthony Grigoroff, who was found guilty in 2010, and again after a retrial in 2017, of killing Garrison Garage owner John Marcinak. Erick Grigoroff was present during the killing, which according to trial testimony took place when Marcinak walked in on the brothers and another man burglarizing his Route 9 business on New Year’s Eve 2009.

The state police issued an alert this week that Grigoroff is still being pursued on a warrant for a 2017 incident in which he allegedly assaulting several people in Cortlandt with a knife.

Police described Grigoroff as 5-foot-6, weighing 150 pounds with black hair and hazel eyes. Anyone with information regarding his whereabouts, or who sees Grigoroff, should contact the state police at 914-769-2600 or crimetip@troopers.ny.gov.

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