Police arrested Mark Thomas Pelazza, 24, of Stamford on East Putnam Avenue near the Greenwich-Stamford border after he allegedly was engaged in a drug deal for a firearm.
During the police investigation, the other suspect fled and could not be found. Law enforcement officials from Greenwich, Stamford and the Metropolitan Transportation Authority tried to track the suspect using K-9 units and a bloodhound, but were unsuccessful.
The search for the second suspect continues.
At the time of Pelazza's arrest, a weapon could not be found.
Pelazza was charged with the illegal sale of a firearm, conspiracy and criminal attempt. He is being held at the Greenwich Police Department on $75,000 bond.
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