an autopsy showed 31-year-old michael michael tyree died from blunt force. they are on leave. >> the commute got more expensive, rider wake up to price increase for caltrain. janet is in san jose. >> good morning, caltrain raised the fare by 50 cents so normally it would take about $9.25 to get from san jose to san francisco, and now, it will cost you $9.75. the fare hike pays for an increase in rail operation confidents. caltrain is the only transportation agencies without a guaranteed force of tax revenue so they rely on the money people pay to ride trains but there is a boom in ridership in the past few years and it continues to grow. the price of day passes, eight ride tickets and monthly passes are also higher but if you have a clipper card you get 15% discount that went interest affect yesterday. report live in san jose for abc7 >> a mill valley homeowner is dealing with the aftermath of this, a large tree that fell right on to the home along lee avenue yesterday happening in the afternoon with firefighters saying no one was home when the tree suddenly

michael tyree died. within a week of the death of inmate michael tyree in the santa clara county main jail, the sheriff spokewith the actions of her corrections officers. >> as sheriff it's my sworn duty and the sworn duty of every deputy to follow every lead, no matter where that lead takes the investigation. >> reporter: two weeks after that news conference, sheriff smith told nbc bay area that the three corrections officers charged with murder for allegedly beating tyree to death were anomalies. >> if someone is intent on committing a crime, no amount of training will train against that. i think that what happened is an isolated incident. >> reporter: but a four month long investigation by nbc bay area raises questions about whether there is a long standing culture of fear, intimidation and inmate physical and mental abuse at the hands of corrections officers at the jail. and two independent teams tasked by the jail blue ribbon commission to look into the jail reported publicly on february 20th that they had found many of the same allegations we uncovered. >> it goes back to the culture right now. everyon