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Susan J. Lajoie (President)
slajoie@privateinvestigator.com
Susan Lajoie, President and Lead Investigator of LII, is a highly experienced investigative professional with extensive expertise in both civil and criminal legal investigations conducted in the field and through comprehensive document review and research. Her investigative specialties include civil & criminal background investigations; information investigations; asset and financial investigations; locate and missing person investigations; social media, genealogy and heir research; witness canvasses; and in-person interviews and statements.
Susan is particularly recognized for her exceptional ability to locate individuals and uncover critical information. Over the years, she has successfully located heirs, witnesses, claimants, insureds, missing persons, and other difficult-to-find individuals in matters ranging from insurance claims and estate cases to complex litigation support. Her reputation for achieving results in locate and missing person investigations has made her a trusted resource for attorneys, corporations, insurers, and private clients alike.
Known for her professional demeanor, positive approach, and ability to build rapport, Susan consistently obtains cooperation and meaningful information in situations where others may not. Her interpersonal skills have proven especially valuable in long-running litigation matters, including product liability cases where plaintiffs may have become discouraged or disengaged after years of delays. In these situations, Susan has repeatedly demonstrated an extraordinary ability to restore communication, rebuild trust, and reestablish productive relationships between clients and their attorneys.
Susan is an active member of the National Association of Legal Investigators and has been featured in local, regional, and national news media for her investigative work and professional insight.

Jackie (Administrative Assistant & Investigator-in-Training)
Jackie is an administrative and business operations professional with experience in finance, client relations, and business development. At Lajoie Investigations, Inc., she assists with administrative operations, case coordination, marketing initiatives, and client communications while supporting the overall efficiency of the firm’s day-to-day operations.
In her role as Investigator-in-Training, Jackie supports investigative activities through preliminary research, background information gathering, case preparation, records organization, and other investigative support functions under the direction of the lead investigator.
Jackie holds a Master of Business Administration (MBA) from Southern New Hampshire University and a Bachelor of Arts in Economics from University of Massachusetts Amherst. She is recognized for her professionalism, organizational skills, discretion, and detail-oriented approach.
Other Investigators
We have a network of investigators to handle discreet and sensitive investigation but due to the nature of their work, our dedication to client confidentiality, and the fact that revealing their names might compromise our investigations, we choose not to name these experienced and integral team members and respectfully request that you grant us your pardon.
