avatar for Sean Hassett

Sean Hassett

LA County DA Cyber Crimes Division

Sean Hassett received his Bachelor of Arts degree in History from the University of California at Los Angeles in 1989, and his law degree from Loyola Law School in 1993.  After working for a year in private practice, Sean joined the Los Angeles County District Attorney’s Office in 1994, where he has prosecuted a variety of cases.  While in the Hardcore Gang Division, Sean completed 25 murder trials, seven attempted murder trials, and one capital case where the jury returned a verdict of death. 

Sean is currently the Head Deputy District Attorney in charge of the Cyber Crime Division.  The Cyber Crime Division, which consists of 13 lawyers, 2 lieutenants, 3 sergeants and 12 investigators, prosecutes complex computer crimes, identity theft, email scams targeting businesses, extortion, money laundering and online child pornography and exploitation cases.

 Prior to joining the Cyber Crime Division, Sean served in the Justice System Integrity Division (JSID) where he served as the Assistant Head Deputy from 2017-2018.  While assigned to JSID, Sean prosecuted and convicted several attorneys for embezzling large sums of money from their clients, including:  P. v. Salvatore Osio (an attorney who was convicted of financial elder abuse, perjury, grand theft, and forgery for stealing $300,000 from Walt Disney’s former secretary); P. v. James Roy McDaniel (an attorney who embezzled $2 million dollars from his clients); and, P. v. J. Jeffrey Long (an attorney who embezzled over $600,000 from his clients).

Sean has also worked in the Public Integrity Division and served as the Assistant Head Deputy from 2014-2017.  Along with Deputy District Attorney Edward A. Miller Jr. and then-Deputy District Attorney Max Huntsman, Sean prosecuted a series of cases involving conflicts of interest and the misappropriation of over $8 million of public funds by elected officials and employees of the City of Bell.  Sean also prosecuted People v. Catherine Wilson & Judy Wong (involving the Mayor and a City Council member of Temple City who were soliciting bribes from a local developer, and People v. Luis Byrd & Fernando Pedroza (involving Lynwood City Council members who were convicted of misappropriating hundreds of thousands of dollars of public money by paying themselves for attending meetings of sham boards and authorities that did no work).

Sean lectures frequently and has trained other prosecutors and members of law enforcement on a variety of topics.  In addition to cyber-crime prosecution, Sean is an expert on issues specific to public corruption cases, such as misappropriation of public money, conflict of interest, bribery, perjury and money laundering.  Sean has also lectured on the use of gang experts, Miranda and Lybarger/Kastigar issues.  Sean received the Prosecutor of the Year Award for 2013, from the Los Angeles County Bar Association for his work prosecuting Robert Rizzo, Angela Spaccia and the Bell City Council members.  Sean also received the 2014 Pursuit of Justice Award from the Los Angeles County Association of Deputy District Attorneys.

My Speakers Sessions

Thursday, May 16

5:30pm PDT