A pair of South Carolina parents have more questions than answers after their son contracted a brain-eating amoeba while swimming in a lake and died. CBS News' Shanelle Kaul has the details.
The gunman in Monday's Manhattan office shooting obtained a concealed carry permit in 2022, police said. CBS News' Lilia Luciano and Jason Allen have the latest.
The gunman who killed four people in a New York City office building on Monday left a note voicing anger about his mental illness that may be linked to CTE. Dr. Ann McKee, director of the Boston University CTE Center who was among the neuroscientists the shooter praised in his note, joined CBS News to discuss the condition.
