rapes in san francisco's mission district pleaded not guilty today to all charges. 32-year-old fredrick dozier is charged with 24 felony counts. the assaults happened between june and december of last year. dozier also faces charges of attempted murder, robbery and kidnapping. >>> in oakland police today announced dozens of arrests in an undercover operation targeting the worse of the worse of the city's criminals. police and federal agents say 90 people are behind bars, 60 of those in custody face federal drugs and weapons charges. 30 more face similar state charges. 92 weapons were seized along with several kilograms of meth and marijuana. oakland police say they have already noticed a drop in violent crime. >>> right now the san francisco ethics commission is hammering out the details for suspended sheriff ross mirkarimi's ethics hearings. the commissioner have been debates who they want to hear from and how they want to hear from them. >> reporter: this hearing started about 45 minutes ago behind me here at city hall you can see a couple of ross mirkarimi supporters. let's go inside that f

assaults in san francisco's mission district is scheduled to appear in court tomorrow. 32-year-old fredrick dozier jr. was arrested back in january after police received a tip from the public. prosecutors say this surveillance video helped them identify dozier as the suspect. they say he is responsible for three sexual assaults from june to december of last year. investigators say each attack was more violent then the last with the last victim choked to the point of becoming unconscious. >>> in eight minutes, san francisco's suspended sheriff, what he said to us today about the allegations against him as this case goes before the ethics commission again tomorrow. >>> now to our continuing coverage of the construction work that's closed the dunbarton bridge all weekend. ktvu's lloyd lacuesta is live now with an updated time line on exactly when that bridge will reopen. lloyd. >> that's right frank, a late breaking development we just talked to caltrans a few minutes ago and we told them that the work on the bridge has gone a lot faster than we anticipated. they expect to have the bridge reopen to c

assaults in san francisco's mission district is scheduled to appear in court tomorrow. 32-year-old fredrick dozier jr. was arrested back in january after police received a tip from the public. prosecutors say this surveillance video helped them identify dozier as the suspect. they say he is responsible for three sexual assaults from june to december of last year. investigators say each attack was more violent then the last with the last victim choked to the point of becoming unconscious. >>> in eight minutes, san francisco's suspended sheriff, what he said to us today about the allegations against him as this case goes before the ethics commission again tomorrow. >>> now to our continuing coverage of the construction work that's closed the dunbarton bridge all weekend. ktvu's lloyd lacuesta is live now with an updated time line on exactly when that bridge will reopen. lloyd. >> that's right frank, a late breaking development we just talked to caltrans a few minutes ago and we told them that the work on the bridge has gone a lot faster than we anticipated. they expect to have the bridge reopen to c

. >>> in san francisco a judge today ordered fredrick dozier jr. to stand trial on 24 charges in connection with three sexual assaults. police say dozier admitted beating, sexually assaulting three victims. the suspect was linked to the incidents through dna. dozier is still in prison and is facing life in prison. >>> the california mint is celebrating it's 75th birthday today. as david stevenson returns it marked the milestone by doing something it hasn't done in more than 50 years. >>> these blank coins are 99.9% silver bullion. they are being transformed into expensive collectibles. ktvu got a rare tour inside the u.s. mint in san francisco as it celebrated it's 75th anniversary today. >> this is our 75th, we're making history right now. >> reporter: with millions of the dollars worth of silver bullion on trays, carts and buckets, security is par. >> someone gets treated with chemotherapy, the alarm is going to go off downstairs. >> we look for any flaws, any defects, make sure everything looks good. >> reporter: mint operators are also excited

. >>> in san francisco a judge today ordered fredrick dozier jr.trial on 24 charges in connection with three sexual assaults. police say dozier admitted beating, sexually assaulting three victims. the suspect was linked to the incidents through dna. dozier is still in prison and is facing life in prison. >>> the california mint is celebrating it's 75th birthday today. as david stevenson returns it marked the milestone by doing something it hasn't done in more than 50 years. >>> these blank coins are 99.9% silver bullion. they are being transformed into expensive collectibles. ktvu got a rare tour inside the u.s. mint in san francisco as it celebrated it's 75th anniversary today. >> this is our 75th, we're making history right now. >> reporter: with millions of the dollars worth of silver bullion on trays, carts and buckets, security is par. >> someone gets treated with chemotherapy, the alarm is going to go off downstairs. >> we look for any flaws, any defects, make sure everything looks good. >> reporter: mint operators are also excited about plan