Omani Free, 18, a high school senior at Newburgh Free Academy, and 20-year-old Tabitha Cruz, who was a graduate of the school, were both killed in the Newburgh shooting.
Anyone with information is urged to contact the City of Newburgh Police at 845-561-3131.
Two of the shooting's survivors, Odalis Lugo and Gelissa Watson, told NBC 4 NY that people were fighting before the shooting.
The Newburgh Police Department said Monday that 21-year-old Rainier Hamilton and 20-year-old Tyson Oliveira, both of Newburgh, are charged with tampering with physical evidence.
Two men were arrested after the party. "They started fighting about the DJ booth, then they pushed somebody", witness Imani Robinson said. Tabitha's father said: "This is Newburgh where everyone has a gun".
"My daughter did a lot for kids", he said.
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Police say none of the wounded has life-threatening injuries. "The doctor says I'm lucky because it didn't hit a nerve".
Police are still on the hunt for the shooter. Omani just happened to be the first victim, ' she added. "It's hard. She's my oldest daughter".
Rhonda Valentine-Free, Free's mother, said her daughter chose to go to the party when a friend became available on Saturday night.
Valentine-Free said she had left home for her own social engagement and didn't know her daughter had chose to go to the party.
A shooting at a Halloween party in NY has killed two people, including a teenager who went with a friend. That's when they went to the hospital. "She was my chocolate baby".