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ISC’s Consulting Staff


Daniel Sullivan

Marvin G. Engquist

Joseph A. Gunn

Andrew J. Mathes

Sandy Palmer


James Annes

Harry Garcia

Sean McWeeney

Maurice Pearson

Michael Walt


James K. Allen

William Lally

"Corki" Rochlitz


George Franco

Daniel R.Sullivan, B.S., M.P.A.

Mr. Sullivan served twenty-five years with the Los Angeles Police Department, retiring as a Deputy Chief, responsible for all police operations in an area of 1.3 million population and 222 square miles. He was the Program Manager for the Development of the City of Los Angeles Emergency Command Control Communication System and involved in the security planning for the 1984 Olympic Games. He is the author of two books on the subject of criminal investigation and is a nationally recognized expert on law enforcement and security issues. Mr. Sullivan has testified in Superior and Federal courts as an expert on law enforcement and facility security issues on over one hundred occasions. Mr. Sullivan is a member of a worldwide response team for kidnap for ransom and extortion cases covered by a Lloyds of London syndicate.

George Franco

Mr. Franco served Bank of America for ten years as Assistant Vice president responsible for the BankCard Risk Management Division. In this capacity, Mr. Franco was responsible for Due Diligence investigation of all prospective VISA/Mastercard merchants and for the investigation of all credit card fraud cases involving VISA/Mastercard merchants. Mr Franco was a member of both the VISA and Mastercard International Steering Committees, which governed all rules/bylaws for credit card transactions. Mr. Franco is an expert in credit card fraud.

Prior to joining Investigative Services Corporation, Mr. Franco served for two years as west coast director of an International Investigation Firm specializing in intellectual property and copyright infringement violations. Mr. Franco has successfully investigated cases for Rolex, Walt Disney, Gucci, Louis Vuitton, Chanel, and Warner Bros.

Since joining Investigative Services Corporation in 1991, Mr. Franco continues to successfully represent numerous high profile and celebrity clients. Mr. Franco has been the chief investigator in charge of the largest criminal cases involving GHB and Ecstasy. Currently, Mr.Franco is managing partner of the firm. He is a consultant/ producer for various television shows. Mr. Franco is a multi-lingual expert in covert investigations, and has testified as an expert on numerous occasions.

James K. Allen, B.S., M.S.

Mr. Allen retired as the Commanding Officer [of the Detective Services Group] with citywide jurisdiction over all highly sensitive and complex investigations after twenty-five years of distinguished service with the Los Angeles Police Department. During his tenure with the LAPD, Mr. Allen 's responsibilities included line command over the LAPD Automation and Communications Group, responsible for all automated information and radio communications systems, in the LAPD.

He held a Bachelor of Science degree in Public Management and a Masters degree in Communications from Pepperdine University. After leaving the LAPD, Mr. Allen fulfilled a contract as Chief of Police of the City of Los Angeles Housing Authority and had served as a consultant on many projects including an audit of facility and procedures security of the California State Lottery.

Marvin G. Engquist, B.S., M.S.

Mr. Engquist retired after twenty five years of distinguished service as a Senior Detective Supervisor, Major Crimes Unit, Los Angeles Police Department. In this capacity, he was responsible for the supervision of numerous high profile Homicide investigations in the City of Los Angeles.

Mr. Engquist is a graduate of the F.B.I. National Academy. He has testified as an expert witness in Federal, State and County courts, and is recognized internationally as an expert in Major Case Death Investigation. He is a published author on the subjects of criminal evidence and constitutional issues dealing with police/media relations.

James Annes

Mr. Annes retired from the F.B.I.

William Lally

Mr. Lally served on the NYPD.

Joseph A. Gunn, B.A.

Mr. Gunn served twenty years with the Los Angeles Police Department, retiring at the rank of Commander, responsible for all Detective operations in the Western part of Los Angeles, including Hollywood, and LAX. Mr. Gunn is a recognized expert in managing sensitive and complex projects involving high profile personalities in the entertainment industry and issues involving state and local political figures.

Harry Garcia

Mr. Garcia retired from the F.B.I.

James D. Jones, B.S., M.S.

Mr. Jones recently retired from the Los Angeles Police Department at the rank of Commander after thirty one years of distinguished service. He is a law enforcement consultant, specializing in communications, facilities and security needs. During his tenure with the LAPD, he oversaw all dignitary protection plans and consulate facility security plans. He also managed many other security projects. During the 1994 Olympic Games, Mr. Jones served as nighttime commander of the police personnel assigned to provide security. He is currently a consultant responsible for directing security for the 1996 Olympic Games and for developing security plans and command and control training curriculum for use by the Department of Defense.

Mr. Jones holds a B.S. degree in Police Science and a Masters of Public Administration degree from Pepperdine University. He is also a graduate of the University of Southern California Managerial Policy Institute and the Police Chief Executive Leadership Program, California POST Command College.

Sean McWeeney, B.S., M.B.A.

Mr. McWeeney retired from the Federal Bureau of Investigation at the rank of Inspector in Charge after twenty four years of distinguished service. His responsibilities included command of the Organized Crime Section of the F.B.I. and command of the F.B.I. attaches at embassies and consulates throughout the world. Mr. McWeeney is a graduate of DePaul University, (B.S.), and the University of Rhode Island (M.B.A.). Mr. McWeeney represents I.S.C. in Washington, D.C.

Andrew J. Mathes, B.S., M.B.A.

Mr. Mathes retired in 1986 as a Captain after twenty years of service with the Los Angeles Police Department. Upon retirement, Mr. Mathes was Commanding Officer of the Detective Support Division, with responsibility citywide for specialized detective investigations involving gangs, foreign prosecution, fugitives and surveillance of career criminals. Mr. Mathes holds both Bachelors and Masters degrees (Cum Laude) from Pepperdine University. He is also a graduate of the F.B.I. National Academy. He has served as an Investigative Consultant to major film studios and has performed numerous complex investigations as a Private Investigator.

Maurice Pearson, B.S., (C.F.E.)

Mr. Pearson served for twelve years as a Special Agent of the F.B.I. He is an expert in financial fraud investigation and has participated in numerous high profile cases involving failed savings and loan institutions. Mr. Pearson, a Certified Fraud Examiner, holds a B.S. in Accounting and has testified as an expert in State and Federal courts as an expert in white collar crime issues.

Mr. Pearson was responsible for anti-smuggling security at all ports in the Republic of Vietnam while serving as a Special Agent, Criminal Investigation Division, U.S. Army. Mr. Pearson has received six personal commendations for his achievements in highly publicized cases during his tenure with the F.B.I.

Sandy Palmer

Ms. Palmer has twenty-five years of experience in law enforcement with the Los Angeles Police Department encompassing experience in detectives, dignitary protection, narcotics, training, supervision and vice. Her expertise is in homicide, sexual assaults, child abuse and abduction, domestic violence, and sexual harassment in the workplace. While serving on the force, Ms. Palmer had fourteen years of supervisory experience as a senior case-carrying detective and detective coordinator. Ms. Palmer has extensive training and education from various courses at the Police Department, the Delinquency Control Institute at the University of Southern California, Administration of Justice courses at Los Angeles Valley College and East Los Angeles College.

Michael Walt

Mr. Walt has over twenty five years of experience.

Corki Rochlitz

Ms. Rochlitz was a Private Investigator immediately following her retirement from the Los Angeles Police Department. She served twenty-one years with the Department, with eighteen years of service as a detective. Her expertise was in the following areas of investigation: Civil Litigation, Personnel Backgrounds, Forgery, Trademark and Copyright matters, Surveillance, Undercover Operations, Airline Security, Personal Security, Intelligence, and Accident Investigations. Other LAPD Officers have described her as, "An expert in her field! She was dedicated and enthusiastic about all of her cases, a very well-rounded investigator."

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