Overview

Full Name: Constance Ann Streif

Date of Birth: January 23, 1960

Age When Missing: 22 years old

Date Last Seen: October 1, 1982

Last Known Location: Harker Heights, Bell County, Texas

Case Classification: Endangered Missing Person

Current Status: Unresolved; Constance remains listed as missing in the publicly available Texas Department of Public Safety record.

Texas DPS Case Number: M9812008

Summary: Constance Ann Streif was 22 years old when she disappeared from Harker Heights, Texas, on October 1, 1982. She had reportedly traveled from New York and was visiting her sister in Texas. She has not been publicly confirmed as located since that time. Her disappearance later became the subject of a New York estate proceeding in which relatives sought a legal declaration of death. The court denied that request, leaving her fate unresolved.

Detailed Case Breakdown

Case Summary

Full Name: Constance Ann Streif

Date of Birth: January 23, 1960

Age When Missing: 22 years old

Date Last Seen: October 1, 1982

Last Known Location: Harker Heights, Bell County, Texas

Case Classification: Endangered Missing Person

Current Status: Unresolved; Constance remains listed as missing in the publicly available Texas Department of Public Safety record.

Texas DPS Case Number: M9812008

Summary: Constance Ann Streif was 22 years old when she disappeared from Harker Heights, Texas, on October 1, 1982. She had reportedly traveled from New York and was visiting her sister in Texas. She has not been publicly confirmed as located since that time. Her disappearance later became the subject of a New York estate proceeding in which relatives sought a legal declaration of death. The court denied that request, leaving her fate unresolved.

Background and Circumstances of the 1982 Disappearance

On October 1, 1982, Constance Ann Streif disappeared from Harker Heights, a community in Bell County in Central Texas near Killeen. At just 22 years old, she had a future ahead of her, but the circumstances surrounding her disappearance would remain unexplained for decades.

Constance was born on January 23, 1960. Publicly available case information describes her as a white woman with brown hair and hazel eyes. At the time she went missing, she stood approximately 5 feet 6 inches tall and weighed about 160 pounds. She had a distinguishing scar on her left cheek, an identifying feature that remains important to her missing-person profile.

Additional historical missing-person information indicates that Constance had pierced ears and was associated with an Iroquois Central School class ring and a ring containing a tiger’s-eye stone. These details could be useful in identifying personal belongings associated with her disappearance, although the available information does not establish whether she was wearing either ring when she was last seen.

According to historical missing-person reporting, Constance had traveled from New York and was visiting her sister in Harker Heights when she disappeared. The precise circumstances of her final confirmed sighting have not been publicly established in the official Texas bulletin.

There is no verified public account identifying the exact address where Constance was last seen, the time of day she disappeared, her intended destination, or the transportation she may have been using. Those gaps make it difficult to reconstruct her movements during the critical period surrounding October 1, 1982.

Constance was adopted, a detail documented in later family and estate records. Her father, Charles Streif, stated in his 2007 will that he had not received communication from her since 1981 and believed she might be deceased. That statement reflects her father’s understanding of the situation, not proof that Constance died.

The difference between her father’s last reported contact in 1981 and her recorded disappearance in Texas in 1982 is significant. It demonstrates that relatives could have different last-contact dates without establishing a contradiction in the official date she was reported last seen.

Investigation History and Available Evidence

The Texas Department of Public Safety maintains a missing-person bulletin for Constance Ann Streif, identifying her disappearance as an endangered missing-person case. The bulletin records October 1, 1982, as her last-seen date and Harker Heights, Bell County, as her last known location.

Although the public record contains relatively little information about the original police investigation, later legal proceedings provide important insight into efforts to locate Constance.

Family Searches and Missing-Person Registries

In a New York court proceeding decided on July 28, 2014, documents described efforts by Constance’s adoptive mother, Brenda Streif, to find her missing daughter. The court discussed correspondence with missing-person organizations and record-search services during the 1980s and 1990s.

Organizations referenced in the proceeding included the Salvation Army Missing Persons Bureau, the National Missing Persons Report, Search Reports, Inc., the Central Registry of the Missing, and missing-person authorities in Texas.

These efforts did not establish Constance’s whereabouts. The court noted that the available documentation primarily reflected registry inquiries and records searches rather than proof of an extensive physical search. This observation concerned the evidence submitted in the estate proceeding and should not be interpreted as a complete account of every action law enforcement may have undertaken.

Social Security Records and Investigative Limitations

Historical case summaries have reported an absence of activity associated with Constance’s Social Security number following her disappearance. However, the 2014 court decision specifically cautioned against treating a lack of Social Security activity as proof of death.

The court cited correspondence explaining that incomplete records, unemployment, or circumstances in which a person did not generate reported earnings could account for such inactivity. Consequently, this information could not conclusively establish whether Constance was alive or deceased.

The 2014 New York Estate Proceedings

One of the most significant documented developments occurred decades after Constance disappeared, when her father’s estate became involved in legal proceedings in Erie County, New York.

Charles Streif died on March 6, 2011, after developing mesothelioma associated with asbestos exposure. Litigation connected to his illness and death produced settlement proceeds, creating questions about the distribution of funds among his surviving family members and his missing daughter.

In 2014, a petition sought to have Constance declared deceased, with October 1, 1982, proposed as her date of death. Such a declaration would have affected the treatment of settlement proceeds that otherwise could have been allocated to her.

On July 28, 2014, the Erie County Surrogate’s Court rejected the petition. The judge concluded that the evidence presented was legally insufficient to establish that Constance had died on or about the proposed date.

This decision is particularly important because it shows that Constance’s prolonged absence and the family’s inability to locate her were not considered sufficient grounds, on the evidence presented, to establish her death.

The proceeding concerned inheritance and settlement rights, not a criminal prosecution. It did not identify a suspect, establish a homicide, or resolve the circumstances of her disappearance.

Forensic Evidence and Possible Identifications

Historical reporting from 2015 discussed a possible comparison between Constance and an unidentified woman discovered outside Texas. According to that reporting, DNA testing excluded Constance as a match.

The reported exclusion did not establish what happened to Constance. It only indicated that the particular unidentified person considered in that comparison was not identified as her.

No publicly verified announcement located for this article establishes that Constance’s remains have been identified, that a suspect has been charged in connection with her disappearance, or that forensic testing has resolved the case.

Theories and Unresolved Questions

Constance Ann Streif’s disappearance remains difficult to explain because publicly available records provide so little detail about her final known movements. Several questions remain unanswered, but the available evidence does not support declaring any particular explanation to be the established truth.

Did Constance Leave Voluntarily?

One unresolved possibility is that Constance may have left the area voluntarily and subsequently lost contact with her relatives. The court’s discussion of the available records acknowledged that prolonged absence and a lack of documented financial activity do not, by themselves, prove death.

However, there is no verified public evidence establishing that Constance deliberately disappeared, adopted another identity, or began a new life elsewhere. Voluntary departure remains only a possibility, not a documented explanation.

Could Foul Play Have Been Involved?

Because Constance has been missing for more than four decades, the possibility of foul play cannot be dismissed. Nevertheless, the available official information does not establish that she was abducted, assaulted, or murdered.

No publicly verified evidence identifies a perpetrator, criminal motive, or specific violent incident connected to her disappearance. Any assertion that a particular individual harmed Constance would therefore be unsupported.

Conflicting Dates in Historical Records

An additional complication appears in the 2014 estate proceeding, where a guardian ad litem’s quoted report refers to Constance as missing since October 1, 1992, despite also stating that she was 22 years old when she disappeared.

Because Constance was born in 1960, the age of 22 corresponds to 1982 rather than 1992. The Texas Department of Public Safety identifies October 1, 1982, as her last-seen date. The conflicting reference in the court document should not be treated as proof of a confirmed sighting in 1992.

The most consequential unresolved questions concern where Constance went after her last reported sighting, whether anyone had subsequent contact with her, and whether unidentified records or evidence might help establish what happened.

Latest Publicly Available Investigative Updates

As of November 2026, no publicly confirmed recent investigative breakthrough was located in the sources reviewed for this article. Constance continues to appear in the Texas Department of Public Safety’s publicly available missing-person information, and no verified announcement establishing her recovery or identification was found.

The July 28, 2014, New York court decision remains one of the most substantive publicly accessible records concerning her prolonged disappearance. Although it addressed the family’s efforts to locate her and the legal consequences of her absence, it did not determine her ultimate fate.

Historical reporting in 2015 described an unsuccessful DNA comparison involving unidentified remains. A later community awareness article published in April 2024 revisited Constance’s disappearance and identifying characteristics, but did not establish a new investigative breakthrough.

No verified recent announcement was located confirming an arrest, criminal charges, newly identified remains, a successful genetic genealogy identification, or a resolution of the disappearance.

The absence of publicly announced developments does not necessarily mean that investigators have stopped reviewing information. Investigative activity can occur without public disclosure, and the complete law enforcement case file is not available through the sources reviewed.

Conclusion and Public Appeal for Information

More than 44 years after Constance Ann Streif disappeared from Harker Heights, Texas, the central question remains unanswered: What happened to the 22-year-old woman after October 1, 1982?

Her case is a reminder that a missing person’s story can continue to affect families and communities long after public attention has faded. The surviving documentation preserves important details about her identity, her family’s attempts to find her, and the legal uncertainty surrounding her disappearance, but it does not provide a definitive explanation.

Anyone who knew Constance in New York or Texas, encountered her in the Harker Heights area during 1982, or possesses credible information about her subsequent whereabouts is encouraged to contact law enforcement. Even information that seemed insignificant at the time may help investigators evaluate her last known movements.

Tips can be directed to the Harker Heights Police Department at 254-953-5400 or the Texas Department of Public Safety Missing Persons Clearinghouse at 1-800-346-3243.

Constance Ann Streif deserves to be remembered as more than a missing-person record. Until reliable evidence establishes what happened to her, her disappearance remains an unresolved case, and the possibility that someone holds meaningful information remains an important reason to keep her name visible.