3. The warning signs

Wayne Jenkins, now serving 25 years in prison, tells his side of the story. What do the crimes of the Gun Trace Task Force reveal about the city of Baltimore?

A shocking tragedy occurs. Conspiracy theories spread. The trial of the Task Force officers begins, but who will speak out?

Is the FBI's cover about to be blown? Agent Jensen suspects the Task Force is onto her.

He earned a formidable reputation. But Sgt Wayne Jenkins is leading a double life. Not all the drugs he's seized are making it to the evidence room.

How many red flags were missed? Years of complaints come to light. Victims of Task Force members share their stories.

One name stands out as the FBI gets to work. Why does a member of the Gun Trace Task Force have links to a major heroin ring? A whole new level of criminality is revealed.

Civil unrest spreads across Baltimore after 25-year-old Freddie Gray dies in police custody. Meanwhile, a detective makes a troubling discovery when he arrests a major heroin dealer. It’s time to call in the FBI. Presenter: Jessica Lussenhop Producer: Ben Crighton

The true story of the rise and fall of Baltimore’s Gun Trace Task Force. Why do good cops go bad? Episode one available August 14th. With Jessica Lussenhop.