David Liston Investigative Services

Experienced, licensed Tacoma investigators providing surveillance expertise and litigation support

Tacoma P.I. to law firms and private clients since 2007.

DLIS specializes in the following areas:

  • L&I and Workman's Comp Electronic Tracking and Live Surveillance

  • Domestic (fidelity-child custody) Electronic Tracking and Live Surveillance

  • Locating Defendants and Witnesses

  • Asset Profiles, pre- and post- Litigation Intelligence

Other services include

  • Contract Compliance Investigations

  • Accident and Evidence Photography

  • Extreme Skips - Asset Recovery Investigations

  • Court Records Research and Background Checks

  • Depositions and Interviews

  • Security Vulnerability Assessments


    Search Liston Investigative Services:

    "Available, hard-working, insightful, generous with his time, cheerful, truly enjoys his work, gets the job  done…self-starter…"

    -Ed Harper of Harper Law describes working with David Liston Investigative Services.

    “David Liston is first rate and charges reasonable fees... I have utilized his services many times in the last few years for judgment collection, with great success.”

    -Bill K.; Lawyer, Edmonds, WA

    (more testimonials and references here)

    Let's discuss how we can help you at (253) 212-0544, or please use the contact form to arrange a convenient time for Dave to call you.

    Email inquiries are welcome.

    Click here for your free consultation.

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    Complete professional reports from your Tacoma Investigator

    David Liston Investigative Services.

    "The investigator P.I.'s hire"

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