Alameda County District Attorney's Office
Nancy E. O'Malley, District Attorney

Meet DA Nancy E. O'Malley

The Alameda County
District Attorney's Office

is dedicated to serving our community through the ethical prosecution of criminal offenses and the vigorous protection of victims' rights.

DA Unveils Anti-Trafficking Campaign

DA O'Malley unveiled her office's 2017 public awareness campaign that directly confronts the buyers of child sex trafficking victims and the need for men to fight child exploitation. Read more…

31st Avenue Fire Resources

Our office has provided a list of resources to assist people in dealing with the impact of the 31st Avenue fire and also to assist our ongoing investigation. Read more…

DA Releases Statement Regarding Horrific Fire

DA Nancy O'Malley has released a statement about the tragic Oakland fire at 31st Ave. If you have any information about the fire, please call us at 1-877-288-2882. Read more…

Current news & events XML

People v Frank Joseph Montenegro

On March 22, 2017, a jury convicted defendant Frank Joseph Montenegro of two counts of lewd and lascivious acts against John Doe 1 (a minor under the age of 14), and of seven counts of lewd and lascivious acts against John Doe 2 (a minor under the age of 14). He was also convicted of four counts of aggravated sexual assault sodomy upon a minor under the age of 14. Read more...

DA O'Malley Announces $3M penalty for Underground Fuel Storage Tank Violations

District Attorney Nancy E. O’Malley and Attorney General Xavier Becerra have announced that on March 13, 2017, the Contra Costa Superior Court ordered a payment of $3 million in civil penalties in the case People v. Golden Gate Petroleum, et al.

The penalties are to be paid by the defendants, the owners and operators of underground storage tank systems at retail gasoline stations in several counties in Northern California: Golden Gate Petroleum, Bay Area/Diablo Petroleum Company, Dennis O’Keefe, and Westgate Petroleum Company, Inc. Read more...

People v Melissa Ho

A jury convicted Defendant Melissa Ho of gross vehicular manslaughter for the killing of William Sampson, and felony reckless driving with great bodily injury to Michael Andrade. Read more...

People v David Tarnue Mabullu

A jury convicted Defendant David Tarnue Mabullu of two counts of forcible rape, dissuading a witness by force or threat, and domestic violence battery. Read more...

'Did You Know...?' Newsletter - Issue 1, 2017

The first edition of our newslewtter for 2017 is here. Find out what happened in January around the DA's Office. Read more...

People v Anthony L Durant

A jury found Defendant Anthony L Durant guilty of the second degree murder of Christian Sheppard and unlawful firearm activity. Read more...

DA Announces Settlement with Walmart over 'Greenwashing' Claims

DA Nancy O’Malley announced that her office, with 22 other District Attorney’s Offices in California, settled a consumer protection action against Wal-Mart Stores, Inc. (as well as USA, LLC and Wal-Mart subsidiary,, Inc.). Read more...

People v Joseph Ochoa

A jury found Defendant Joseph Ochoa guilty of 8 counts of child sexual assault. Read more...

People v Michael Jose Monert

Recently, a jury found Defendant Michael Jose Monert guilty of the first degree murder of Pamela Sanders, the second degree murder of Debra Adkins, and the second degree murder of Janice Flahiff, plus enhancements. Defendant Monert was a serial murderer of prostitutes in Oakland during the late 1980s and early 90s. Read more...

Quick Links

Stay connected twitter facebook

To sign up for 'Did You Know...?', our regular email newsletter, please enter your email address here:

Read the latest issue of our
'Did You Know...?' newsletter


Visit the Alameda County Family Justice Center

Learn more about the fight to end child sex trafficking at

Cell site simulator policy