Latest statistics from the California Primary
I can't find the reference right now but Sanders just flipped a heavily Hispanic congressional district in LA. I have been following the whole thing on twitter... Also a Congressional District in Oakland and San Francisco.
Machine vote for Clinton higher by 15% across the state than the hand counted vote. Chance of that being honest? Approaching Zero. This is why the initial reurns were so high in favor of Clinton, not the early mail-ins.
Added: The coalition also reported scattered statewide problems with broken polling machines and ballot scanners. USA Commerce Daily
Here is a history of the vote count up to Friday Evening.