The person at the center of this case
Katherine Ann Demianczyk
Missing Person · Open
7 years waiting · since 2018
Missing Person: Katherine Ann Demianczyk
Justice for Katherine Ann Demianczyk — the trail went cold in 2018, but the truth hasn't.
Start here
Key leads to think about
👁️
witness
Lead #1What did Katherine's mother observe during their last contact on November 20, 2018? Were there any signs of distress or unusual behavior?
⏰
timeline
Lead #2What were Katherine's movements and activities in the days leading up to November 20, 2018?
💡
clue
Lead #3Has anyone reported seeing Katherine after November 20, 2018, or received any communications from her?
Katherine Ann Demianczyk, a 25-year-old woman, was last seen by her mother on November 20, 2018, two days before Thanksgiving in Philadelphia. Nearly eight years later, the circumstances of her disappearance remain unclear and no trace has been found. Anyone with information about Katie's whereabouts or what happened to her is urged to contact the Philadelphia Police Department.
Case
#2170
Philadelphia Police Department - 24th District (East Division)
Try asking
Claim this imported case
A one-time $10 claim transfers this imported case workspace to your account. You get 10 uploads for this case, 25 daily AI questions for this case, and public tips with files route to you.
10 uploads25 AI questions/day
This does not start a subscription. When the included limits are reached, the Personal plan unlocks more workspace capacity.
More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
📞
contact
Lead #4Were there any phone records, social media activity, or financial transactions after her disappearance?
Have information about any of these leads?
Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP73198. Missing person: Katherine Ann Demianczyk.
Last known contact: 2018-11-20 in Philadelphia, Philadelphia, PA. Circumstances: Katie was last seen by her mother two days before Thanksgiving.
Demographics: 25 years, Female, White / Caucasian. Physical description: 5 ft 0 in, 100 lbs, hair: Blond/Strawberry, eyes: Blue.
Investigating agency: Philadelphia Police Department - 24th District (East Division) | 20-02-040490 | 2020-08-31.
Timeline of Events
👁️
2018-11-20
Last Seen
Katherine Ann Demianczyk was last seen by her mother in Philadelphia, two days before Thanksgiving 2018.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:November 20, 2018
Last Updated:June 30, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 2156863093
You can remain anonymous
Leave a comment
Comments
Case Information
Incident:November 20, 2018
Last Updated:June 30, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 2156863093
You can remain anonymous