19 illegal gambling machines seized during undercover investigation in Rusk

(1:41)

Mortgage fraud caught on camera: Undercover investigation (Marketplace)

(21:32)

Undercover agent busts a $36,000 meth deal | To Catch a Smuggler

(3:27)

Undercover Investigation into Disability Fraud

(7:48)

Undercover investigation: Life coaches caught on camera (Marketplace)

(21:52)

Undercover investigation: CDI College caught misleading students (Marketplace)

(19:38)

Undercover Investigation Reveals Hawaii's Illegal Ivory Trade

(3:42)

W5: Undercover investigation into conversion therapy in Canada

(26:45)

Undercover Investigation: The Red River Sting

(7:11)

20/20 Undercover Investigation on Repair Shop Fraud and Dishonesty

(8:13)

FULL VIDEO: Undercover investigation reveals Houston cell phone businesses working for drug cartels

(9:31)

Undercover investigation raises questions over businessman's projects

(4:56)

Undercover investigation at New England’s largest egg producer

(1:14)

Undercover investigation at post offices leads to numerous arrests

(2:14)

Undercover investigation in Ken Knight Drive area leads to 13 arrests, 16 guns recovered

(2:52)

Scottsdale medical imposter busted in undercover investigation

(4:14)

What's It Like To Be An Undercover Investigator

(57:27)

Synthetic Identity Fraud: Undercover Investigation into Alleged ID Fraud

(8:29)

PETA undercover investigation

(2:6)