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RAPID BIOMETRIC IDENTIFICATION - Mandatory security, within a very insecure world. We use biometric authentication, machine language programming and encryption to lock down our solutions. 

Building security, voter registration, financial transactions, breech proof repositories and much more. 

Michael Cherry addressed the United Nations Counter-Terrorism Committee. His topic was Information Technology Security and the latest border-control systems that verify the identity of individuals through the use of iris or digit scans.


The engineering and reengineering of breech proof applications and repositories. Frequently these solutions incorporate biometric locks.

Early design team Apollo 11, The Trip to The Moon. Next, we designed and built banking applications, brokerage applications and network communications systems for major banks and brokerage firms including: JP Morgan Chase, UBS and Citigroup. We designed and built imaging products that were sold worldwide by IBM and Sony.  We started as mainframe and SCADA programmers.


We are the only experts to have ever won the Exclusion of Call Detail Records (CDR's), Innocence, Habeas and Dauberts against Historical Cell Site Analysis / Cell Tower Tracking. A good innocence example is Lisa Marie Roberts who served 12 years for a murder that she did not commit. 

Courtroom examples of our winning against RF Engineers and FBI CAST Experts include:

On May 11, 2011 Adrian Deon Brown was found not guilty of murder and he walked out of the Ocala, FL County Courthouse. Prosecution experts included two Radio Frequency (RF) Engineers, one from Sprint and one from Verizon. The defense team included Attorney Nicole Hardin, Michael Cherry and Manfred Schenk. 

On September 17, 2012 Antonio Evans was found not guilty of kidnapping in US . In this case the prosecution used an FBI Cell Tower Expert and the defense countered with Michael Cherry and Manfred Schenk. UNITED STATES V. ANTONIO EVANS, 892 F. Supp2d. 949 (N.D. ILL. 2012). Patrick Blegen of Blegen and Garvey was the lead defense attorney.  

On December 19, 2014 The Honorable Amy Totenberg United States District Judge ordered in the UNITED STATES OF AMERICA V. RODERICK THORNTON Daubert: "The Court would have significant concerns if Special Agent Fitzgerald were to offer an expert opinion on the precise street location or radius where the Defendant’s phone communications were made based on the telecommunications data and methodology identified in his testimony. However, Fitzgerald clearly indicated that based on current data and cell technology infrastructure, he could not reliably offer an opinion regarding the specific location footprint indicated by the phone calls at issue here." The Defense Attorney was Fenn Little.

On December 15, 2010 Antoine Paris Davis was acquitted in the Middletown, CT Superior Court. He was charged with home invasion robbery, burglary, assault, larceny, conspiracy and accessory to kidnapping with a firearm. His defense attorney Aaron J. Romano used Manfred Schenk, as his Cell Tower Expert. The prosecution used a Verizon RF Engineer Manager.

On Sept. 20, 2012 the employment of Messrs. Joyce, Bligh, and Cashman was reinstated by their employer National Grid. Their employment was terminated eight months earlier when outside cell phone experts accused them of stealing time based on cell tower call detail records (CDR’s). The outside cell phone experts choose not to appear at the final labor arbitration hearing as Manfred Schenk was there to challenge their interpretations.   

On May 28th, 2014 Lisa Marie Roberts, of Portland, Oregon, was released from prison after serving 12 years for a murder she didn’t commit. LISA MARIE ROBERTS ORDER CR233. The Verizon RF Engineer who claimed that he could prove Lisa’s location after her initial arrest, subsequently choose to remain silent. Manfred Schenk and Michael Cherry were the Defense Cell Tower Experts and they worked closely with Defense Attorneys at the Portland, OR Federal Public Defender Office including Attorney William Teesdale.

On February 23, 2015 Emmanuel Hilding Salorio was acquitted of charges that he orchestrated a home invasion during which a gun was fired. In THE STATE OF CONNECTICUT V. EMMANUEL HILDING SALORIO The Honorable James Graham, excluded from evidence Verizon Call Detail Phone Records (CDR's) that the prosecutor wanted to use to support his theory that Hilding Salorio was in the area of the victim's apartment on the night of the crime. The defense attorneys were Hubert J. Santos and his associate Trent LaLima.

Link to our Cell Tower Tracking Web Site.


Wall Street Journal Quote - Credit-Card Security Falters

ABA Journal - First Daubert Win Against FBI CAST Cell Tower Tracking   We didn't have to learn this topic - we lived it

Judge compliments our cell tower testimony

Associated Press Quote - Effort made to restore photography’s credibility

MIT Technology Review Quote - Finding Evidence in Fingerprints

Fingerprint pictures from some of our courtroom wins 

We have appeared before the National Academies of Science. We have voted on international law enforcement biometric standards at the invitation of the United States Department of Commerce, National Institute of Standards and Technology (NIST) for the past 10 years.

NCJ Number: NCJ 216466

Title: How We Can Improve the Reliability of Fingerprint Identification
Journal: Judicature Volume:90 Issue:2 Dated:September-October 2006 Pages:55 to 57
Author(s): Michael Cherry; Edward Imwinkelried

NCJ Number: NCJ 215028
Title: Cautionary Note About Fingerprint Analysis and Reliance on Digital Technology
Journal: Judicature Volume:89 Issue:6 Dated:May-June 2006 Pages:334 to 338
Author(s): Michael Cherry ; Edward Imwinkelried 


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