Investigative support for attorneys in New Hampshire and Massachusetts — process serving, witness location, evidence collection, surveillance for civil matters, and expert testimony by former law enforcement.
Working with NH and MA attorneys: Our investigators understand how to gather and document evidence that supports your legal strategy — not just evidence that exists. We coordinate directly with counsel, align our investigative approach with your case theory, and produce reports formatted for court use. Our investigators are available for deposition and trial testimony.
Litigation Support Services for Attorneys
- Process serving — summons, complaints, and subpoenas with proof-of-service documentation
- Witness location — finding witnesses for deposition, trial, or service of process
- Surveillance for civil matters — personal injury, workers’ comp, and insurance defense
- Background investigations — opposing parties, witnesses, and jurors
- Asset searches — locating property and accounts for judgment enforcement
- Witness interviews & statements — taken in compliance with applicable law
Evidence Admissibility in NH and MA Courts
Evidence gathered by our licensed investigators through legal methods is admissible in New Hampshire and Massachusetts courts. This includes:
- Timestamped surveillance photographs and video
- Written investigative reports with documented chain of custody
- Witness statements taken in compliance with applicable law
- Background investigation reports with source documentation
- Asset search findings with supporting records
We design our evidence gathering and documentation procedures to meet the specific requirements of the court where the matter will be heard — whether that’s NH Superior Court, MA Superior Court, Probate and Family Court, or District Court.
Expert Witness Testimony
Mark J. Donahue’s 34 years of law enforcement experience — including service on the DEA Task Force, the ICAC Task Force, and the NH Attorney General’s Gang Task Force — qualifies him to provide expert testimony on:
- Investigative methods and standards of practice
- Surveillance techniques and legal limitations
- Law enforcement procedures and protocols
- Evidence handling and chain of custody
- Digital and electronic evidence handling
Joseph E. McCain’s 26 years with the Somerville, MA Police Department and retirement as a Lieutenant provides additional expert testimony capacity for Massachusetts matters involving police procedures and practices.
Working Relationships With NH and MA Attorneys
We work with family law attorneys, divorce counsel, personal injury defense firms, employment attorneys, insurance defense counsel, criminal defense attorneys, and general litigation practices across NH and MA. If you have recurring investigative needs, contact us to discuss a working relationship — we understand how to integrate into your case management process without creating additional administrative burden.
Frequently Asked Questions
Is PI evidence admissible in Massachusetts courts?
Yes. Evidence gathered by a licensed MA PI through legal methods is admissible in MA Superior Court, Probate and Family Court, and District Court. We document chain of custody for all evidence, timestamp all media, and format reports for attorney and court use. Our investigators are available for deposition and trial testimony.
Can a PI serve legal papers in New Hampshire?
Yes. Licensed NH private investigators may serve summons, complaints, subpoenas, and other court documents. We provide proof of service documentation meeting NH court requirements. For difficult-to-serve subjects, our investigators are experienced in locating and effecting service professionally.
What is litigation support from a private investigator?
Litigation support includes: witness location and service, covert surveillance of parties, background investigations on opposing parties or witnesses, asset searches for judgment enforcement, witness interviews, and expert testimony. We work directly with your legal strategy and coordinate with counsel throughout.
Do you provide expert witness testimony in NH and MA courts?
Yes. Mark J. Donahue’s 34 years of law enforcement experience including DEA Task Force service qualifies him as an expert witness on investigative methods, evidence handling, surveillance standards, and law enforcement practices. Available for deposition and trial in both NH and MA.
Free confidential consultation: 603-785-2800 — NH License #M-2025-0424 · MA License #LP1599A
