"48 Hours" team shares their most memorable episodes
CBSN
Every murder investigation "48 Hours" covers has meaning, but there are some cases we can't shake. They challenge us, haunt us, and appear in our dreams.
To celebrate the show's 35th anniversary, we'd like to share the collection with you. Here are six episodes to get you started:

The peace and tranquility of Muir Woods, just north of San Francisco – home to 500+ acres of old-growth redwoods – make it just about the last place you'd expect to find a fight brewing. "The fact that they're taking down whole groups of signs about climate change and our nation's history is disappointing, and embarrassing," said retired U.S. Park Ranger Lucy Scott In:

We share our planet with maybe 10 million species of plants, animals, birds, fish, fungi and bugs. And to help identify them, millions of people are using a free phone app. "Currently we have about six million people using the platform every month," said Scott Loarie, the executive director of iNaturalist, a nonprofit.











