The person at the center of this case
Linda O'Day
Cold Case · Open
45 years waiting · since 1981
LINDA O'DAY
Justice for Linda O'Day — the trail went cold in 1981, but the truth hasn't.
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Key leads to think about
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suspect
Lead #1Who had access to Linda O'Day's home and a motive to commit this violent crime?
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evidence
Lead #2What weapon was used in the stabbing, and has it ever been recovered or identified?
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witness
Lead #3Were there any neighbors or acquaintances who witnessed suspicious activity at the residence on June 1, 1981?
Linda O'Day, a resident of New Castle, Delaware, was found stabbed to death in her home on June 1, 1981, with the cause of death determined to be a stab wound to the chest. Despite over four decades of investigation by the FBI's Baltimore Field Office, the identity of her killer remains unknown. The FBI continues to seek public assistance and welcomes any information that could help solve this decades-old homicide.
Case
#441
Federal Bureau of Investigation (FBI) Baltimore Field Office
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
💡
clue
Lead #4What circumstances led to the discovery of the body, and who made the initial report?
Have information about any of these leads?
Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
Homicide Victim New Castle, Delaware June 1, 1981 The Federal Bureau of Investigation’s Baltimore Field Office is seeking the public’s assistance with information regarding the 1981 homicide of Linda O’Day. On Monday, June 1, 1981, at approximately 2:00 p.m., the body of O’Day was discovered in her home at 129 East Third Street in New Castle, Delaware.
O’Day was stabbed multiple times and her cause of death was determined to be a stab wound to the chest.
Timeline of Events
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1981-06-01
14:00Body discovered
Linda O'Day's body was discovered in her home at 129 East Third Street in New Castle, Delaware at approximately 2:00 p.m.
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1981-06-01
Cause of death determined
O'Day was stabbed multiple times; cause of death determined to be a stab wound to the chest.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:June 1, 1981 at 2:00 PM
Last Updated:October 22, 2026
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Case Information
Incident:June 1, 1981 at 2:00 PM
Last Updated:October 22, 2026