A man who was convicted of the brutal slayings of three young women in Westchester County between 1987 and 1990 will remain behind bars for the rest of his life.

District Attorney Jeanine Pirro yesterday said Patrick Baxter, 35, was convicted in July 2002 on 12 counts of murder in the second degree. He was sentenced to 75 years to life in prison and the Appellate Division of State Supreme Court has just affirmed that conviction and sentence.

The murders of the women remained unsolved until a re-examination of physical evidence provided the DNA evidence that linked Baxter to all three murders.

Baxter was convicted of murder in connection with the deaths of 14-year-old Michelle Walker, whose body was found on June 6, 1987 behind 21 Greystone Terrace in Yonkers; 19-year-old Patricia England, whose body was found on February 6, 1988 off Sprain Road in Greenburgh; and 25-year-old Lisa Gibbens, whose body was found on July 17, 1990 behind 4 Consulate Drive in Tuckahoe.

All of the victims had been sexually assaulted and two, Walker and Gibbens, were robbed by Baxter before he .