Investigator and detective School / Training
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Detective Training Institute
Offering services to put you on your way of becoming a Private Detective. Conduct Real Field Assignments, surveillance, background checks, online research, using their State-Approved Home Study Program. Develop your investigative skills receive your credentials and begin working as a professional Private Investigator earning top pay or start your own agency.
Global School of Investigation
Since 1973 , Global School of Investigation has trained more than 60,000 students to become working private investigators. We offer private investigator training through distance learning programs, or correspondence courses, that allow you the flexibility you need to re-train for a new career without quitting your day job.
Lion Investigation Academy

A professionals choice in distance training and education for the investigator & Security community. Offering multiple success driven courses to provide professional investigators the training they need towards becoming a Private Investigator or Security Professional. Providing industry recognized certification and learning solutions. Also the only Academy licensed to offer the esteemed Associates in Specialized Technology degree in Investigations & Security. L.I.A. - Investigative Excellence since 1974.

Discovery Detective Academy
1996 Arizona private postsecondary licensed, approvals from AZ DPS, AZ Supreme Court, Department of Education, VA, and retraining. Diploma course for Professional Investigator.
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