Photos of victims of the mass shooting at Umpqua Community College in Roseburg, Ore. are displayed behind Portland Police Sgt. Peter Simpson (left) and Douglas County Sheriff John Hanlin (right). Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP

Diego next to posters of his brother Jose. The agent involved in Jose's death will be the first ever charged with murder for a cross-border shooting. John Burnett/NPR hide caption

itoggle caption John Burnett/NPR

The SS United States ocean liner, seen here docked in Philadelphia in 2013, was built in 1952 for United States Lines in an attempt to capture the trans-Atlantic speed record. Landov hide caption

itoggle caption Landov

Kroto displays a model of his discovery in 1996: a soccer ball-shape carbon molecule that spawned a new field of study and could act as a tiny cage to transport other chemicals. Michael Scates/AP hide caption

itoggle caption Michael Scates/AP