Matt Peters and Scott Bogetti are former undercover detectives with the NYPD. Their presentation began with a shocking reenactment of an undercover agent (Scott) attempting a drug buy. His cover was blown and the drug dealer pulled a gun on him. Moments later the backup agent (Matt) appeared and shot the drug dealer dead. A gun with blanks was used for the reenactment, so the sound of the gunshots in the barn added to the realism. The detectives did a great job of conveying the danger and intensity of their jobs.
The Barn Blog 
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