Important Expert Witness Cases

• Virginia Tech Massacre - Consultant to both CBS and CNN for Forensic Tape Analyis (April 2007)
• CNN's expert for "Flowers/Clinton" audiotapes (1992)
• World Trade Center Bombing (1993)
• Forged Autograph Litigation re: Golfers, Nicklaus, Palmer and Tiger Woods (1996 - 2003)
• JonBenet Ramsey - CBS News Consultant (1999)
• Senator John Danforth (Independent Counsel – “Waco” – Fall -1999)
• "48 Hours" News Special (Texas v Angleton - Murder trial acquittal CBS Broadcast   Summer, 2001)
• Slesinger v Disney - "Winnie the Pooh" litigation - (2004)
• Alfonso Gonzalez v Ford Motor Company - (2004)
• United Airlines (employment litigation) - (2004)
• Andrade v. Chojnacki; et al v. U.S. (Branch Davidian Law Suit – 2000)("Waco" civil case)
• U.S. v Aisenberg (Florida 1999)
• CBS consultant re: 60 minutes story on "The Scuffed Halls of Ivy" (1999)
• Consultant and expert witness for: "The Artist Formerly Known as Prince" (1996)
• Consultant to "Court TV" (Voice Identification)
• "Waco" criminal case (U.S. v Koresh, et al.)(1994-1995)
• Over 450 Court Cases or Depositions 

TV Appearances

• "Voice Identification" TV special Canadian Broadcasting Corp. And the Public Broadcasting System- TBA fall 2006
• "JonBenet Ramsey" Special - Nancy Grace Show, CNN Voice Forensics of the John Mark Karr  pornography tapes
• "48 Hour Mystery" CBS Texas Confidential Fall 2006
• CNN's expert for "Flowers/Clinton" audiotapes (1992)
• World Trade Center Bombing (1993)
• Forged Autograph Litigation re: Golfers, Nicklaus, Palmer and Tiger Woods (1996 - 2003)
• JonBenet Ramsey - CBS News Consultant (1999)
• Consultant to MSNBC News – Authenticating “Bin Laden” Videotapes – Air, 2002
• CBS consultant re: 60 Minutes story on “The Scuffed Halls of Ivy” (1999)
• Consultant to “Court TV” (Voice Identification)