Connecticut School Shooting: A look back at the massacre (VIDEO)

Ryan Lanza has been confirmed as the gunman in a deadly shooting at Sandy Hook Elementary School in Newtown, Conn., where at least 26 people were killed. John Miller reports.

(CBS) NEWTOWN, Conn. - CBS News takes a look back at the tragic massacre that left 28 people dead, including 20 children, at a mass shooting at Sandy Hook Elementary School.

Pictures: Conn. elementary school shootingPictures:  Mass shootings in 2012

"Evil visited this community today," Connecticut Governor Dan Malloy said Friday in a press conference after the shooting. "A number of our citizens, beautiful children, had their life taken away from them."

Complete coverage of the Sandy Hook Elementary School massacre