Greg Ferris has demonstrated expertise, in the field and from the witness stand, in the subjects of Firearm Use/Tactics, Gunsmithing, Deadly Force ShootingDynamics and Self Defense by Civilians and Law Enforcement. This expertise has led various plaintiff, defense and assistant district attorneys to seek case consults and expert testimony for clients who are involved in civil and/or criminal cases filed in either State or Federal judicial systems.
If your legal representative or a client should require assistance in their case please feel free to evaluate his Credentials, References and past Case Experience. Consult/Testimony fees and expenses will be quoted on an individual case basis, up front. Contact Greg Ferris directly for further information and case evaluation.
Cases with Court Testimony or Deposition:
1997 – Defense Attorneys, A. Brown and J. Norton (Defendant Huckaba)- Assertion of self defense in shooting death by teenager. Certified as Expert in Self Defense/Use of Deadly Force
1998 – Defense Attorneys, A. Brown and J. Norton (Defendant Brooks, SAPD Officer) – Assertion of self defense in shooting of citizen by off-duty San Antonio police officer. Certified as Expert in Self Defense/Use of Deadly Force
1998 – Defense Attorneys, A. Brown and J. Norton – Prosecutor, Tylden Shaeffer , Asst. DA (Defendant Trevino) – Assertion of self defense in shooting death by gang member. Certified as Expert in Firearms Handling
1998 – Defense Attorneys, A. Brown and J. Norton – (Defendant Rodriguez) – Assertion of self defense and defense of property. Shooting occurred during home burglary/criminal trespass at night. Certified as Expert in Self Defense/Use of Deadly Force
2001 – Defense Attorney Joe Turner – 299th State District Court of Texas (Defendant Sanford) – Murder Charged – Assertion of self defense and 3rd party defense. Certified as Expert in Handgun Design/Function with reference to Case Ejection patterns
2003 – Attorney Joe Turner – 22nd State District Court of Texas (Defendant Harvey) – Murder Charged – Assertion of self defense. Certified as Expert in Self Defense/Use of Deadly Force
2003 – Defense Attorneys, A. Brown and J. Norton – 227th State District Court of Texas (Defendant Esparza) – Murder Charged – Assertion of self defense in shooting mother and the subsequent death of unborn infant. Certified as Expert in Self Defense/Use of Deadly Force
2004 – Defense Attorney Larry Sauer – 167th State District Court of Texas (Defendant Colunga) Capital Murder Charged – Assertion of accidental firearm discharge. Certified as Expert in Firearms Operation/Function and Mechanics
2004 – Defense Attorneys, A. Brown and J. Norton – Murder Charged – Assertion of self defense use of knife. Consult with regard to self defense and deadly force use tactics. Testimony challenged in qualification hearing and not allowed.
2005 – Plaintiff Attorney, O. Cantu – Federal Civil Suit (Plaintiff Guardiola) – Assertion of wrongful death, excessive deadly force by sheriff officer. Consult/Deposition given with regard to arrest tactics, police procedure, deadly force tactics and handgun ballistics.
2005 – Plaintiff Attorneys, C. Shattles and P. Watkins – Federal Court Civil Suit (Plaintiff A. Villareal) – Assertion of wrongful death, excessive use of deadly force by DEA agent. Consult/Deposition with regard to arrest tactics, police deadly force procedure, firearms tactics and handgun ballistics. Qualification as expert witness was challenged in a motion hearing and qualification as expert was upheld/granted.
2008 – Defense Attorney Hilda Valadez – 227th State District Court (Impact Court, Bexar County) – (Defendant Martinez) Aggravated Assault with Firearm. Assertion of incorrect caliber determination by Bexar County Sheriff Deputies and Bexar County Forensic Examiner. Certified as Expert in Firearm Caliber Designations.
2016 – Defense Attorney J. Charles Bunk – 290th State District Court – (Defendant Alcorta) Murder Charged – Assertion of Accidental Shooting. Certified as Expert in S&W (“N” Frame, Model 58) revolver trigger mechanism/Single and Double action trigger pull weights.
2017-18 – Defense Attorney Bob Galvan – 198th State District Court (Bandera County) – (Defendant C. Dawson) – Allegation of Deadly Conduct/Assault with Firearm. Certified as Firearms Expert concerning case ejection angles/bullet impacts (regarding .45 ACP caliber)
2023 – Defense Attorneys Stephen C. Barrera and Matt Maldonado. Sentencing hearing on manslaughter charge due to discharge of 9mm semi-auto while two individuals had grip on firearm.
Consultation Only Cases:
1988 – Law Offices of P. Maloney – Assertion of “defective design of firearm” involved in accidental discharge injuring firearm owner
1995 – City of San Antonio – Accidental firearm discharge by SA police officer, assertion of “auditory exclusion”
1997 – Attorney B. Campion – Inspection and verification of Class III firearm
2000 – Attorney: O. Cantu – Assertion of excessive deadly force by S.A. police officer, consult with regard to arrest tactics and police procedure (Civil case)
2001 – Attorney: T. Shaeffer – Assertion of self defense in discharging firearm in city limits (misdemeanor charge) Consult with regard to self defense and firearm use
2002 – Attorney: S. Smith – Assertion of justification in Deadly Conduct charge, threatening display of firearm. Consult with regard to self defense and deadly force tactics
2002 – Attorney: E. Camara – Consult on firearm operation in shooting case.
2002 – Attorney: B. Campion – Assertion of self defense use of knife. Consult with regard to self defense and deadly force tactics
2002 – Attorney: A. Brown – Assertion of self defense by CHL holder, consult with regard to self defense tactics and CHL certification process and instruction
2003 – Attorney: Billy McNabb – Assertion of excessive force by San Marcos P.D. / SW Texas University police officers during arrest, consult with regard to self defense, arrest tactics and police procedure
2004 – Attorney: Billy McNabb – Assertion of excessive force by police officer during arrest, consult with regard to self defense, arrest tactics and police procedure
2004 – Attorney: A. Brown – Assertion of excessive force by police officer during arrest, consult with regard to self defense, arrest tactics and police procedure
2005 – Attorney: O. Cantu – Assertion of self defense, charge of deadly conduct with pellet rifle. Consult with regard to self defense, deadly force tactics and ballistic potential of a pellet rifle to constitute a deadly force instrument.2005 – Attorneys: C. Shattles and P. Watkins – (Federal Civil Suit) Assertion of wrongful death, excessive deadly force by federal DEA agent. Consult/Deposition with regard to arrest tactics, police procedure, tactics and handgun ballistics.
2008 – Attorney: B. Campion – Federal Drug Sentencing – Consult on antique collectible firearms with regard to suitability/use by drug dealer
2009 – Attorney: Doug Daniel and Brandon Hudson – Assertion of self defense use of handgun. Consult with regard to projectile ricochet, bullet tumbling and self defense tactics.
2010 – Attorney: Donald H. Flanary III – Assertion of Accidental Shooting. Consult with regard to firearm projectile ballistic trajectory and firearm mechanical function
2011 – Attorneys: Charles Gold and George Taylor – Assertion of wrongful off-duty police actions. Consult with regard to police tactics, departmental procedures in deadly force shooting by off-duty sheriff deputy during non-departmental employment incident at apartment complex and issue of proper police officer identification
2012-13 – Attorney: Jeff Senter – Assertion of Self Defense. Consult with regard to use of handgun for self defense.
2013-14 – Attorneys: R. Sean Page, Vaughan E. Waters. Gerald R. Zwernemann – Assertion of Negligence by Gun Range contributing to accidental shooting of one customer by another customer. Consult with regard to shooting range safety policies/standards, safe weapon handling standards, ballistic issue, firearm function and design.
2014 – Attorney Abiel Flores: Assertions of Accidental Discharge, Self Defense and Defense of Third Person. Consult about aspects of defensive use of handgun, handgun examination for function/safety/trigger pull weights.
2015-2016 – Attorneys: Katy Andre and Crystal Murray – Assertion of Accidental Shooting (Very Long Range). Consult about ballistics of .30 cal rifle projectile flight path and energy after 90 degree deflection.
2015-2017 – Attorney Carl Kolb: Assertion of Accidental Shooting. Consult about Weatherby shotgun safety design.
2017-2018 – Attorney: Rachel Stahle – Accidental Discharge of Firearm at Shooting Range by Range Safety Officer w/ Injury to Customer. Consult about Shooting Range Safety Procedures/Physical Set-Up/Safe Firearm Handling
2019 – Attorney – Brian Powers – Assertion of Alleged Accidental Firearm Discharge resulting in Death. Consult about Firearms Design, Trigger Pull Weight, Safety Handling of Firearms, Case Ejection, Distance of Discharge from Impact Point, Powder/Heavy Metal Residue Evidence
2023 – Attorney Christa Hykaway – Consult about alleged failure to confirm a firearm sold at gunshow was not loaded resulting in accidental discharge with injury. Addressed issues: Seller, buyer, gunshow personnel and Buyer’s son (injured party) failure to follow safe firearm handling rules.