J L Sumpter, M.S.
20+ yr Ret. Detective Sergeant, Author/Trainer/Speaker/Coach
4.56 (161 reviews)
1
active courses
0
removed courses
Sep 2016
first content date
Apr 2017
last content date
975
total students
161
total reviews
4.56
average rating
2
total content length
Courses
Detective's guide to lie detection and exposing the truth
975
students
2.5 hours
content
Apr 2017
updated
$24.99
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