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About Land and Sea Investigations

Owned and operated by Mark F. Cavanaugh, a Thirty year veteran Criminal Investigator, and three year veteran Private Investigator. Offering Process Serving, and all forms of Criminal,Civil, and Marital Investigations. Mr. Cavanaugh is also a N.H. certified Guardian ad Litem. Certified in all Courts.

Services

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    Process Service
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    Legal/General Investigations
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    Missing Persons
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    Background Checks
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    Underwater Search and Recovery
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    Metal Detection
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    Video & Photo
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    Threat Assessment
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    Guardian ad Litem Services
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    Elderly and Sexual Exploitations/Child Abuse Specialties

Areas of Coverage

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    Rockingham County, NH
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    Hillsborough County, NH
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    Merrimack County, NH

Affiliations

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    NH League of Investigators