In 2015, Reiner collaborated with his son, Nick Reiner, on Being Charlie, a story about addiction, loosely based on Nick's experiences. Rob Reiner talked about the film with Fresh Air in September.

(Image credit: Andreas Rentz)

In 2015, Reiner collaborated with his son, Nick Reiner, on Being Charlie, a story about addiction, loosely based on Nick's experiences. Rob Reiner talked about the film with Fresh Air in September.

(Image credit: Andreas Rentz)

The movies Reiner directed, from A Few Good Men to The Princess Bride, weren't just good — they were people's favorites, the types of films people come back to again and again.

(Image credit: Reed Saxon)

The movies Reiner directed, from A Few Good Men to The Princess Bride, weren't just good — they were people's favorites, the types of films people come back to again and again.

(Image credit: Reed Saxon)

Bad movies can be fun in their own way.

(Image credit: Working Title Films)

Bad movies can be fun in their own way.

(Image credit: Working Title Films)

NPR's Linda Holmes and Barrie Hardymon talk about why whodunits feel so cozy, what makes a great mystery work, and why the genre is having a moment again on screen.