CBS Evening News | Historic cicada event underway in parts of U.S.

For the first time since 1803, two groups of periodical cicadas are emerging from the ground at the same time in parts of the Midwest and South. However, a small section of Central Illinois marks the only place where both the 13-year and 17-year cicadas are emerging in the same place. Dave Malkoff reports on the extraordinary event. Air Date: May 2, 2024