Unidentified 1988 Serial killer profile

New Bedford Highway Killer

New Bedford Highway Killings

Unidentified. Nine women who disappeared from New Bedford, Massachusetts, in 1988 were found beside area highways in 1988 and 1989, and two more remain missing. One man was charged in a single death in 1990; the charge was dropped in 1991. No one has been convicted.

Also known as
New Bedford Highway Killings, New Bedford highway murders
Legal status
Unidentified
Active
1988
States
Massachusetts
Cities
New Bedford, Freetown, Dartmouth, Westport, Marion
Victims
9 to 11 suspected
Victim profile
Women aged 19 to 36 with histories of drug use who frequented a New Bedford neighborhood known for prostitution; nine were found beside highways and two remain missing
Method
strangulation, beating
Fate
At large
Timeline to scale
Each dot is a dated event below; the distance between dots is elapsed time. The darker dot marks the first known murder.
1988: Beginning around March, women with ties to drug use disappear from New Bedford streets; eleven are eventually linked to the series.July 3, 1988: Remains of Debra Medeiros of Fall River are found beside Route 140 in Freetown, the first recovered victim.July 30, 1988: Nancy Paiva is found beside Interstate 195 in Dartmouth.November 8, 1988: Debra Greenlaw DeMello is found near the Reed Road ramp off I-195.December 1988: Dawn Mendes (found November 29), Deborah McConnell (December 1) and Rochelle Clifford Dopierala (December 10) are recovered.March 1989: Robbin Rhodes is found beside Route 140 in Freetown on March 28 and Mary Rose Santos along Route 88 in Westport on March 31.April 24, 1989: Sandra Botelho is found in woods along I-195 in Marion, the ninth and last recovered victim.July 17, 1990: Anthony DeGrazia, held for about 13 months on assault charges involving other women and never charged in the killings, is found dead in Freetown.August 1990: A grand jury indicts New Bedford lawyer Kenneth Ponte for the murder of Rochelle Clifford Dopierala; he pleads not guilty.July 29, 1991: The murder charge against Ponte is dropped for lack of evidence.May 3, 2007: Under newly elected District Attorney Samuel Sutter, the case is reopened and investigators dig up the driveway and patio of Ponte's former home.January 27, 2010: Ponte is found dead at his New Bedford home; authorities say the death does not appear suspicious.September 5, 2017: Brandeis University Press publishes Maureen Boyle's book Shallow Graves on the investigation.March 2023: The Bristol County District Attorney's Office says investigators are still pursuing a suspect.19882023202639 years since the incident
Massachusetts
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The New Bedford Highway Killer is the name given to an unidentified person or persons blamed for the deaths of at least nine women whose remains were found beside highways around New Bedford, Massachusetts, between July 1988 and April 1989. Two more women who vanished from the same streets in 1988 have never been found. No one has been convicted. A New Bedford lawyer, Kenneth Ponte, was indicted in 1990 for one of the deaths, but the charge was dropped in 1991 for lack of evidence, and the case remains open with the Bristol County District Attorney's Office.

According to the Associated Press, all eleven women had histories of drug use and frequented a New Bedford neighborhood known for prostitution; Brandeis University Press, publisher of a book on the case, describes them as aged 19 to 36. The Wikipedia article lists the recovered victims as Debra Medeiros of Fall River, Nancy Paiva, Debra Greenlaw DeMello, Dawn Mendes, Deborah McConnell of Newport, Rhode Island, Rochelle Clifford Dopierala of Falmouth, Robbin Rhodes, Mary Rose Santos and Sandra Botelho. Christina Monteiro, 19, and Marilyn Cardoza-Roberts, 34, both last seen in 1988, are the two who remain missing.

The women disappeared over roughly six months, from about March to September 1988. Medeiros, reported missing in late May, was the first found, on July 3, 1988, in woods beside Route 140 in Freetown. Paiva was found beside Interstate 195 in Dartmouth on July 30, DeMello near the Reed Road ramp off I-195 on November 8, and Mendes near the same interchange on November 29. McConnell was found off Route 140 in Freetown on December 1 and Dopierala in a gravel pit off Reed Road on December 10. The last three were found in 1989: Rhodes beside Route 140 on March 28, Santos along Route 88 in Westport on March 31, and Botelho in woods along I-195 in Marion on April 24. The Brandeis University Press description says some remains showed signs of strangulation while others were too decomposed for a cause of death to be determined; the Wikipedia article says Dopierala was beaten.

Kenneth Ponte, a New Bedford attorney, is the only person ever charged with any of the deaths. A grand jury indicted him in August 1990 for the murder of Dopierala, with whom he acknowledged a relationship; he also said he had represented three of the other women as their lawyer. He pleaded not guilty and posted bond. According to the ABA Journal, prosecutors had contended he killed Dopierala because she was going to reveal his drug use. A special prosecutor, Paul Buckley, later said there was not enough evidence and called the indictment a fishing expedition, and the charge was dropped in July 1991. Ponte denied any involvement in the killings. He was disbarred in 1997 over misuse of a client's settlement money and was found dead at his New Bedford home in January 2010; authorities said the death did not appear suspicious.

A second man, Anthony DeGrazia, a construction worker, drew attention in 1989 after a woman who had been attacked said he resembled her assailant. According to the Wikipedia article, District Attorney Ronald Pina sought his arrest on a series of assault and attempted rape charges involving other women, and he was held in jail for about 13 months before his release in June 1990. He was never charged with any of the highway killings. He was found dead in Freetown on July 17, 1990; the district attorney's office called the death a suicide, a finding his family has disputed.

In May 2007 the newly elected Bristol County District Attorney, Samuel Sutter, reopened the investigation, pledging to have state police re-examine the evidence with modern DNA and fiber analysis, and investigators dug up the driveway and patio at Ponte's former home, the Associated Press reported. Nothing from that search has been publicly linked to the killings. The Wikipedia article also notes that Daniel Tavares, later convicted of other murders, indirectly claimed responsibility in a letter written in prison; he has not been charged in this case.

In March 2023 a spokesman for the Bristol County District Attorney's Office told WBSM that at least three men had been considered suspects over the years, that investigators were still pursuing a suspect, and that the office would not give up on the case. The State Police Cold Case Unit has also followed leads from the public, according to Maureen Boyle, a former Standard-Times crime reporter whose 2017 book Shallow Graves is the most detailed account of the investigation.

unsolvedunidentifiedsex workershighwaycold case
  1. 1988
    Beginning around March, women with ties to drug use disappear from New Bedford streets; eleven are eventually linked to the series.
  2. July 3, 1988
    Remains of Debra Medeiros of Fall River are found beside Route 140 in Freetown, the first recovered victim.
  3. July 30, 1988
    Nancy Paiva is found beside Interstate 195 in Dartmouth.
  4. November 8, 1988
    Debra Greenlaw DeMello is found near the Reed Road ramp off I-195.
  5. December 1988
    Dawn Mendes (found November 29), Deborah McConnell (December 1) and Rochelle Clifford Dopierala (December 10) are recovered.
  6. March 1989
    Robbin Rhodes is found beside Route 140 in Freetown on March 28 and Mary Rose Santos along Route 88 in Westport on March 31.
  7. April 24, 1989
    Sandra Botelho is found in woods along I-195 in Marion, the ninth and last recovered victim.
  8. July 17, 1990
    Anthony DeGrazia, held for about 13 months on assault charges involving other women and never charged in the killings, is found dead in Freetown.
  9. August 1990
    A grand jury indicts New Bedford lawyer Kenneth Ponte for the murder of Rochelle Clifford Dopierala; he pleads not guilty.
  10. July 29, 1991
    The murder charge against Ponte is dropped for lack of evidence.
  11. May 3, 2007
    Under newly elected District Attorney Samuel Sutter, the case is reopened and investigators dig up the driveway and patio of Ponte's former home.
  12. January 27, 2010
    Ponte is found dead at his New Bedford home; authorities say the death does not appear suspicious.
  13. September 5, 2017
    Brandeis University Press publishes Maureen Boyle's book Shallow Graves on the investigation.
  14. March 2023
    The Bristol County District Attorney's Office says investigators are still pursuing a suspect.

The victims are documented as cases in the cold case index, each with its own timeline and sources.

Corrections and family contact

This profile states only what courts, official bodies and the cited reporting have recorded. The offender has never been identified. The profile describes the series, not a person.

If you are a relative of a victim named here and want a name corrected, updated or removed, or if you can show that a fact on this page is wrong, email info@coldcaseindex.com. Requests from families are acted on first.

Facts last verified October 29, 2026. Page last updated November 4, 2026.

Cite this entry

Permalink: https://coldcaseindex.com/serial-killers/new-bedford-highway-killer/. This entry was last updated on November 4, 2026; cite that date as the publication date. The primary sources listed above should be cited for the underlying facts.

APA
ColdCaseIndex. (2026, November 4). New Bedford Highway Killer. https://coldcaseindex.com/serial-killers/new-bedford-highway-killer/
MLA
“New Bedford Highway Killer.” ColdCaseIndex, 4 Nov. 2026, coldcaseindex.com/serial-killers/new-bedford-highway-killer/.
Wikipedia
{{cite web |url=https://coldcaseindex.com/serial-killers/new-bedford-highway-killer/ |title=New Bedford Highway Killer |website=ColdCaseIndex |date=2026-11-04 |access-date=}}