Police later identified the victims as 36-year-old Shanta Myers; her children, 11-year-old Jeremiah Myers and 5-year-old Shanise Myers; and Brandi Mells, 22, who attended high school in Central New York.
Police recovered a knife with blood on both the handle and the blade located on a ledge near a closet close to the victims.
According to AVP.org, Isaiah Myers, 15, Shanta's oldest son, was out of town at the time and is the only surviving member of the family.
'I'm scared to go to the corner store, ' he told reporters.
Troy Police credited the arrests to the work of Troy Police Detectives, the NYSP Major Crimes Unite, NYS DOCCS, the Rensselaer County District Attorney's Office and several other law enforcement agencies.
Gay activists troll Vice President Pence with sign: 'Make America gay again'
Vice President Mike Pence speaks at the Focus on the Family 40 year anniversary event, on Friday, June 23, 2017. Pence has notoriously supported legislation that critics say discriminates against gay people.
Tedesco said Saturday that the victims were killed in the late evening on December 21. A property manager, who had received a call asking him to check on the tenants, found two women and two children, all unresponsive.
The victims' bodies were found on the day after Christmas. Mells, Shanta's partner, took in the family after they lost a previous apartment.
Told the family member, 'He supposedly always hung out with her'.
The Troy Boys & Girls Club is also raising money through a GoFundMe page to help cover the cost of funeral services for the victims. "We are shocked and deeply saddened by this tragedy".
The locals in Troy, a city of 50,000 7 miles from the state capital of Albany, were shocked to learn about the murders. The annual average is six murders, Tedesco said, according to The New York Times. "I can't even explain how people feel up here".
The city's mayor praised police and reached out on Twitter to comfort residents. "The thoughts of our entire community remain with the victims' families during this incredibly hard time".