Homicide Squad detectives are also investigating whether Bittrolff killed a third woman, Sandra Costilla, 28, of Queens, whose cause of death resembles Tangredi’s and McNamee’s, authorities said. Costilla was found dead in North Sea on the South Fork on Nov. 20, 1993.
“The manner of death, the positioning of her body, and the trace evidence of Ms. Costilla is similar to that of Tangredi and McNamee,” Suffolk County District Attorney Thomas Spota told reporters Tuesday during at a news conference at his Hauppauge office.
He did not say of Costilla also worked as a prostitute, but noted: “She had a lifestyle that may have been substantially similar.”