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  • Joseph D. Thornton was born in Portland, Maine

  • Jesuit educated, graduating from Cheverus Classical Preparatory School there in 1967

  • Graduated from Boston College with a B.A. in English and Philosophy in 1971

  • Attended the University of Maine School of Law

  • Licensed private investigator in Maine since 1975

  • Owned and operated Lawyers Investigating Service in Maine

  • Performed civil and criminal investigations for trial lawyers throughout New England

  • Licensed and worked extensively in New Hampshire, North Carolina and Florida.

  • Between 1999 and 2005 he was a staff investigator for the Federal Defender Office in their Capital Habeas Unit in Philadelphia assigned to Pennsylvania capital cases.

  • Thornton has returned to the private sector and currently operates an agency in Portland.

  • Former director of the National Association of Legal Investigators, Certified Legal  Investigator, Board Certified Criminal Defense Investigator

  • Has active cases pending in several jurisdictions at both the trial and appellate level.

  • Member of the Maine Licensed Private Investigator's Association (MLPIA)


Private Investigator
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