2 custodians fatally shot inside Mark Twain Elementary School, authorities say

Two custodians were fatally shot inside Mark Twain Elementary School in Garfield Ridge on Monday afternoon in an apparent murder-suicide, according to preliminary police radio transmissions. According to a statement from Chicago police, a 63-year-old man and 48-year-old woman were each found with a single gunshot wound to their heads inside the school in the 5100 block of South Lotus Avenue at 3:40 p.m. Both were taken to Christ Medical Center, where they were pronounced dead, police said. A…