Massachusetts man Kelvin Vickers pleads not guilty to the murder of Rochester police officer Anthony Mazurkiewicz

A man accused of fatally shooting a Rochester police officer and injuring the officer’s partner and someone nearby pleaded not guilty on Saturday.

In a brief court appearance, Kelvin Vickers pleaded not guilty to second degree murder, attempted murder, assault and weapons. He was sentenced to detention without bail.

Police say the 21-year-old fired multiple bullets into an unmarked, parked vehicle Thursday night, killing 29-year-old veteran officer Anthony Mazurkiewicz and wounding officer Sino Seng. A 15-year-old girl in a nearby house was also shot and injured.

The two officers were part of an undercover unit and were investigating a murder. Vickers was found an hour later in a vacant house nearby, and police say a loaded handgun was found that may have been used in the shooting.

Anthony Mazurkiewicz was killed in the ambush. His partner Sino Seng survived the shooting. A 15-year-old girl was also shot and survived.
Rochester Police Department
Kelvin Vickers in court.
Vickers is not originally from Rochester and his reason for being in the city is still unknown.
Tina MacIntyre-Yee / Democrat and column via AP

Vickers is from the Boston area and has a long criminal history, according to police, who did not say why Vickers was in Rochester.

He was represented by a public defender at Saturday’s arraignment, but indicated he would seek his own attorney, the Rochester Democrat & Chronicle reported.

Seng was shot in the lower body and was treated in a hospital before being released. Authorities said on Friday that the girl, who was hit by a bullet that went through a wall, was recovering.

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