laverne kriner, a story our investigative unit broke last week. she was there on a psychiatric observation hold sources tell us she was on a bed in a hallway but no one checked on her from 2:00 to 6:00 in the morng. during those four hours, sometime in there she died. sfpd is investigating and hospital says the autopsy found no signs of foul play. kriner's death came one week after the death of this woman, 75-year-old ruby anderson who died in a stairwell of an engineering building on hospital grounds. >>> cocoa commuters get ready to tap on those brakes. the board of supervisors may slow the speed limit along several stretches of the highway. the north section in the kingston area is dropping from 50 to 45 down south approaching the contra costa county line, that speed limit drops from 55 to 50. this is based on engineering and traffic surveys required every ten years. >> got to be careful out there. early in the commute, some folks definitely pushed the speed limit and it's going to be more disparity. folks heading through contra costa county. i