Two residents of the troubled Millennium Tower have complained to NBC Bay Area’s Investigative Unit about what they fear is the unpleasant byproduct of the continued tilting of the luxury high-rise — frequent drain backups.

A Marin Catholic High School theology teacher is under investigation by the Oakland Police Department for allegedly sending inappropriate text messages to an underaged church altar server.

The NBC Bay Area Investigative Unit explores the rise in sexual violence committed against AAPI women, the influence of anti-Asian hate, and new efforts to provide survivors with needed support.

Athlete, scholar and actor. Actor Rich Ting has held many titles.

The braking glitch that triggered mass BART delays this wet winter could pose a major challenge after its used to protect safety in a major earthquake, NBC Bay Area’s Investigative Unit has learned.

A wet weather-related braking glitch on BART’s new “Fleet of the Future” accounts for many of the delays plaguing the system this rainy winter, NBC Bay Area’s Investigative Unit has learned.

After investigating a Bay Area case, the Investigative Unit spoke with a woman who’s tracked hundreds nationwide.

When a woman takes an at-home DNA test, she learns her biological father is her mother’s San Leandro fertility doctor. NBC Bay Area’s Investigative Unit follows her search for siblings and speaks with the doctor about why he kept this secret from the family – until he was confronted.

The accidental poisoning deaths of two dementia residents in San Mateo, Calif. are sparking renewed concerns about California’s staffing requirements for assisted-living facilities that care for seniors.

A second Atria Park resident in San Mateo, one of three who unknowingly drank cleaning fluid served to them as cranberry juice back in August, has died.