
The person at the center of this case
Blair Tonzelli
Justice for Blair Tonzelli — the trail went cold in 2023, but the truth hasn't.
Start here
What were the specific circumstances of the last contact with her friend on February 21, 2023?
Where was Blair last seen and what was she doing that day?
Have there been any confirmed sightings or communications since the initial report?
Blair Tonzelli, a 35-year-old woman, was reported missing on February 21, 2023, in Philadelphia after last being in contact with a friend. She was last seen wearing gray sweats and a hooded sweatshirt. The Philadelphia Police Department Homicide Division continues to investigate the circumstances of her disappearance.
Try asking
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.
This does not start a subscription. When the included limits are reached, the Personal plan unlocks more workspace capacity.
Official wording
NamUs case MP159856. Missing person: Blair Tonzelli.
Last known contact: 2023-02-21 in Philadelphia, Philadelphia, PA. Circumstances: Complainant reported missing by friend.
Demographics: 35 years, Female, White / Caucasian. Physical description: 5 ft 6 in, 130 lbs, hair: Blond/Strawberry, eyes: Green.
Clothing and accessories: Clothing: Gray sweats and a hooded sweatshirt. Investigating agency: Philadelphia Police Department - Homicide Division | O26-032 / DC#2023-24-011732 | 2026-06-19.
Blair Tonzelli was last known to be in contact with a friend in Philadelphia, PA.
Blair Tonzelli was reported missing by a friend on February 21, 2023.
Any information, no matter how small, could be crucial to solving this case.
Any information, no matter how small, could be crucial to solving this case.