NEW YORK (CBSNewYork) — Police on Staten Island are looking for a suspect they said murdered one man and tried to kill another.

Authorities said a 21-year-old man got into a physical altercation with 19-year-old Drew B. Casseus, who took out a gun and began shooting on Port Richmond Avenue on December 28.

The victim was shot in the leg and was able to walk to Richmond University Medical Center for treatment.

A second victim – identified as 19-year-old Jonathan Vasquez, of Staten Island, — was shot in the head during the fight and pronounced dead at the hospital.

Casseus is described as 5’10” and 160 pounds with black hair and brown eyes. He also has tattoos of three faces on the back of his left forearm, police said.

Anyone with information is asked to call Crime Stoppers at 1-800-577-TIPS (8477). The public can also submit their tips by logging onto the Crime Stoppers website at WWW.NYPDCRIMESTOPPERS.COM or by texting their tips to CRIMES (27467), then enter TIP577. All calls are strictly confidential.

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