Sgt. Sean "Sticks" Larkin, a member of the Gang Unit of the Tulsa Police Department, was a hit with Live PD viewers. Sticks answers our questions about how gangs took root and how to spot if your kid is involved.

Learn about cities that offer a police ride-along program and proper civilian ride-along etiquette.

Check out our top 10 picks for crime-related podcasts.

Q&A with Robert Kolker, author of Lost Girls: An Unsolved American Mystery, on what makes a good crime podcast, what annoys him about the podcast listening experience, and more.

There is a history of investigators, reporters, and even regular people (like the volunteers on 60 Days In) going undercover in prison to expose wrongdoing, danger, and bad treatment. Read inspiring stories of intrepid souls who went behind bars to find truth.

A weekly look at the best new crime, suspense, and detective fiction. Remember to read with the lights on. This week's book: "Celine," by Peter Heller.

Join Brooke Gittings from the hit podcast, Convicted, as she takes a deeper dive into the Cold Case Files Classic episode, "A Confession for Carmen," in the latest installment of Cold Case Files: The Podcast.