The NYPD is desperate to find him. Corners of the public hope they never do, and some digital sleuths that usually step up ...

New clues emerged Thursday in the hunt for the masked gunman who stalked and killed UnitedHealthcare CEO Brian Thompson, ...

As the investigation into a masked gunman who stalked and killed the head of one of the largest U.S. health insurers moves ...

Nearly four days after the shooting of UnitedHealthcare CEO Brian Thompson, police still do not know the gunman’s name or ...

New video obtained by ABC News shows UnitedHealthcare CEO Brian Thompson's killer waiting for him moments before last week's ...

The gunman who stalked and killed UnitedHealthcare CEO Brian Thompson fled New York City by bus, police officials told CNN on ...

Fingerprints belonging to the man charged in last week's murder of UnitedHealthcare's CEO match those found on a water bottle ...

Investigators have "reason to believe" that the person of interest in the murder of UnitedHealthcare CEO Brian Thompson has ...

ALTOONA, Pa. (AP) — Authorities were analyzing a fingerprint on a cellphone found after the killing of UnitedHealthcare’s CEO ...

The man charged with killing UnitedHealthcare CEO Brian Thompson on a Manhattan street was seen near a Port Authority bus ...

The 3D-printed gun found on the suspect in last week's killing of United Healthcare CEO Brian Thompson matches shell casings ...