Authorities have released the names of some of the victims killed in the mass shooting. Also, new details are emerging about the shooter's background.

More details are emerging about the shooter who killed eight people in a Texas mall on Saturday, as families and the community mourn the victims.

A gunman killed eight people at the outlet mall in Allen on Saturday — before a police officer killed the shooter. Mourners gathered for a vigil outside the mall on Sunday.

Nine people, including the gunman, were killed at a mass shooting at an outlet mall in Allen, Texas Saturday afternoon. At least five other remain hospitalized. Three are in critical condition.

Zookeepers in Dallas are working with international conservation groups to implement a survival plan for penguins. It includes DNA matching to make sure the right penguin couples get together.

Zookeepers in Dallas are working with international conservation groups to implement a survival plan for penguins. It includes DNA matching to make sure the right penguin couples get together.