Associates
Bringing more than 80 years of combined experience, the majority of which with the FBI, our three senior examiners are among the foremost audio/visual forensics experts in the world.
Bruce E. Koenig
Bruce E. Koenig, the senior examiner and owner of BEK TEK LLC, has been involved in the forensic analysis of
audio and video recordings on a full-time basis since 1974. Mr. Koenig was a Supervisory Special Agent for the Federal Bureau of
Investigation from 1974 through his retirement at the end of 1995, ending his career as manager and senior audio examiner for the
Audio/Video Signal Processing program. His formal education includes a B.S. degree with majors in Physics and Mathematics, and an M.F.S.
degree in Forensic Science. He has published over 30 peer-reviewed papers in his fields of expertise, testified as an expert witness on
over 360 occasions, attended numerous seminars and specialized short courses, and has been actively involved in numerous significant
investigations. A more specific compilation of Mr. Koenig's background is listed in his curriculum vitae.
Douglas S. Lacey
Douglas S. Lacey served as an Electronics Engineer/Forensic Examiner for the Federal Bureau of Investigation from 1996 through 2003. In
this capacity, he specialized in audio enhancement, authenticity, and signal analysis, as well as the analysis of digital recordings produced
by proprietary law enforcement recorders and consumer devices. Having joined BEK TEK LLC as a senior associate, he
brought with him extensive knowledge of the analysis of digital recordings. Mr. Lacey earned a B.S. Degree in Electrical Engineering from the
Audio Engineering program at the University of Miami and has attended numerous specialized short courses and seminars. He has published seven
peer-reviewed papers in audio/video forensics and has provided expert testimony in state and federal courts, as well as in front of the
Ukrainian Parliament. A more complete compilation of Mr. Lacey's background is listed in his curriculum vitae.
Steven A. Killion
Steven A. Killion is a senior examiner who has been involved full-time in either the forensic analyses of audio and video recordings or
in direct support of FBI technical operations since 1971. Mr. Killion was a Supervisory Special Agent, Unit Chief, and Section Chief for
the FBI from 1971 through his retirement in 1997, when he joined BEK TEK LLC as a senior associate. His formal
education includes a B.S. degree with a major in Physics and an M.F.S. degree in Forensic Science. He has testified as an expert witness,
has attended numerous seminars and specialized short courses, and has been involved in recent significant investigations. A more specific
compilation of Mr. Killion's background is listed in his curriculum vitae.
As needed, additional FBI-trained consultants are used by BEK TEK LLC for specialized forensic examinations and on-site evaluations.

