Michigan State struggles with uncertain return to classes

Michigan State University professor Marco Díaz-Muñoz is still haunted by what he witnessed last Monday night, when a gunman entered his classroom in Berkey Hall, killing two of his students in what he describes as “12 minutes of terror.”

“Those images haunt me. The images of those two girls,” Díaz-Muñoz told The Associated Press.

Arielle Anderson and Alexandria Verner, both juniors, would die that night, Feb. 13. The suspected gunman, Anthony McRae, would shoot six more students during the rampage in two campus buildings. Brian Fraser also would die. Five others...