Two school custodians have been found shot dead in a Chicago elementary school, according to Chicago ABC station WLS.
The 48-year-old woman and the 63-year-old man were found Monday afternoon at Mark Twain Elementary School, both with single gunshot wounds to the head, Chicago police said.
Both were in critical condition when taken to a hospital where they were pronounced dead, police said.
A weapon was recovered at the scene, police said…