Investigators were seeking a motive for the morning attack by a Santa Clara VTA transit supervisor on his co-workers, leaving eight dead and seriously injuring at least one other.

The VTA attack was the worst mass shooting in the Bay Area since 1993. Wednesday's killer set fire to his own house before the deadly assault.

Facebook’s Oversight Board said the ongoing risk of violence “justified” the suspension.

Anyone with information about the fatal collision is asked to call San Jose police.

Geschke was an Adobe founder who helped develop fundamental ways of creating, sharing and printing digital documents.

Her death was announced by her husband, who called her “the light of my life and the source of every important blessing I have enjoyed.”