Crime Solvers Central
CSC
233 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case? Let us know!
On November 20, 2025, the body of a female identified as Mary Kollien was discovered in Brooklyn, New York. Despite efforts, she remains unclaimed, leaving authorities seeking any information from the public that might help locate her family or next of kin. The case is cataloged under the Namus ID: UCP155420.

The Office of Chief Medical Examiner in New York City is the agency handling this case. They are situated at 520 First Avenue, New York, New York. As a key point of contact, indivi ...Read More
Date Found: 11/20/2025
Links to Additional Sources (1)
See any mistakes? Let us know!
Victim Details

2026-02-16T18:25:36.387

2026-02-16T20:53:53.063

155420

UCP155420

56534

Mary

Kollien

White / Caucasian

White / Caucasian

Female

11/20/2025

Brooklyn

New York

Kings County

11207

No

49879

Office of Chief Medical Examiner New York City

New York

New York

New York County

520 First Avenue, , New York, New York

2124472030

Local

Medical Examiner

K-25-034506

Unknown

Unknown

Unknown

02/22/2026


Area Recovered: