They'll pour fertilizer right into a stream, then irrigate out of it.

It may be somebody entirely different.

People get blinded by the marijuana issue. ... We don't want people planting asparagus on the land, either. This is agricultural assault on a national park, no matter what they're growing.

We have no idea. That's the investigation.

[As for whether Teixeira was pushed, fell or jumped,] we have no idea, ... That's the investigation.

They have over 30 years of hiking experience, but tonight the temperature is forecast to be 10 degrees below zero.

In the ice and snow, biological processes move really slowly, and it's not unlike putting something in your refrigerator freezer to preserve something.

It makes me remember how important it is to take stock of these things. We are all just one big cog in a bigger system.

All seven people have been reunited with their friends and families in good condition.